Question 2 :
The number of triangles with any three of the length 1, 4, 6 and 8 cms, as sides is<br>
Question 3 :
For construction of a $\triangle PQR$, where $\displaystyle QR=6\ cm, PR=10\ cm$ and $\angle Q=90^{\circ}$, its steps for construction is given below in jumbled form. Identify the third step from the following.<br/><br/>1. At point $ Q $, draw an angle of $ {90}^{\circ} $.<br/>2. From $ R $ cut an arc of length $ PR = 10.0 \ cm $ using a compass. <br/>3. Name the point of intersection of the arm of the angle $ {90}^{\circ} $ and the arc drawn in step 3, as $ P $.<br/>4. Join $P $ to $ Q $ . $ PQR $ is the required triangle. <br/>5. Draw the base side $ QR = 6\  cm $.
Question 4 :
The steps for construction of $\triangle DEF$ with $DE = 4\ cm, EF=6.5\ cm$ and $DF = 8.6\ cm$ are given below in jumbled order:<br/>1. Draw arcs of length $4\ cm$ from $4\ cm$ from $D$ and $6.5\ cm$ from $F$ and mark the intersection point as $E$.<br/>2. Join $D-E$ and $F-E$.<br/>3. Draw a line segment of length $DF = 8.6\ cm$.<br/><br/>The correct order of the steps is:
Question 5 :
State true or false:Whether it is possible to construct a triangle or not with its sides equal to $5$ cm, $7$ cm, and $4$ cm<br/>Ans: Yes
Question 6 :
Suppose we have to cover the xy-plane with identical tiles such that no two tiles overlap and no gap is left between the tiles. Suppose that we can choose tiles of the following shapes: equilateral triangle, square, regular pentagon, regular hexagon. Then the tiling can be done with tiles of
Question 7 :
In $\triangle ABC$, $AB=5\ cm, BC= 6\ cm ,AC=4\ cm$. Identify the type of triangle.
Question 10 :
Mark the correct alternative of the following.<br>In which of the following cases, a right triangle cannot be constructed?
Question 11 :
For construction of a $\triangle PQR$, where $\displaystyle QR=6\ cm, PR=10\ cm$ and $\angle Q=90^{\circ}$, its steps for construction is given below in jumbled form. Identify the second step from the following.<br/><br/>1. At point $ Q $, draw an angle of $ {90}^{\circ} $.<br/>2. From $ R $ cut an arc of length $ PR = 10.0 \ cm $ using a compass.<br/>3. Name the point of intersection of the arm of the angle $ {90}^{\circ} $ and the arc drawn in step 3, as $ P $.<br/>4. Join $P $ to $ Q $ . $ PQR $ is the required triangle. <br/>5. Draw the base side $ QR = 6\  cm $.
Question 12 :
The lengths of the sides of some triangles are given, which of them is not a right angled triangle?<br>
Question 13 :
For construction of a $\triangle PQR$, when $\displaystyle QR=6\ cm, PR=10\ cm$ and $\angle Q=90^{\circ}$, its steps for construction is given below in jumbled form. Identify the fifth step from the following.<br/><br/>1. At point $ Q $, draw an angle of $ {90}^{\circ} $.<br/>2. From $ R $ cut an arc of length $ PR = 10.0 \ cm $ using a compass.<br/>3. Name the point of intersection of the arm of the angle $ {90}^{\circ} $ and the arc drawn in step 3, as $ P $.<br/>4. Join $P $ to $ Q $ . $ PQR $ is the required triangle. <br/>5. Draw the base side $ QR = 6\  cm $.
Question 14 :
Construct an isosceles$\triangle XYZ,$ where $YZ=5$ units and $\angle XYZ=35^{o}$. Also, find the measure of $\angle YXZ$.
Question 15 :
In a right-angled triangle, the square of the hypotenuse is equal to twice the product of the other two sides. One of the acute angles of the triangle is <br/>
Question 16 :
For construction of a $\triangle PQR$, where $\displaystyle QR=6\ cm, PR=10\ cm$ and $\angle Q=90^{\circ}$, its steps for construction is given below in jumbled form. Identify the first step from the following.<br/><br/>1. At point $ Q $, draw an angle of $ {90}^{\circ} $.<br/>2. From $ R $ cut an arc of length $ PR = 10.0 \ cm $ using a compass .<br/>3. Name the point of intersection of the arm of the angle $ {90}^{\circ} $ and the arc drawn in step 3, as $ P $.<br/>4. Join $P $ to $ Q $ . $ PQR $ is the required triangle. <br/>5. Draw the base side $ QR = 6\  cm $.<br/>
Question 17 :
Construct a triangle $ABC$ in which $AB = 5 cm$ and $BC = 4.6 cm$ and $AC =3.7 cm$<br>Steps for the construction is given in jumbled form.Choose the appropriate sequence for the above<br>1) With radius as $5\ cm$ from $C$, cut an arc.<br>2)They arcs will intersect at point $A$. Join $AB$ and $AC$. $ABC$ is the required triangle.<br>3)Draw a line segment $BC = 4\ cm.$<br>4)With radius as $3$ cm from $B$, cut the arc.
Question 18 :
For construction of a $\triangle PQR$, where $\displaystyle QR=6\ cm, PR=10\ cm$ and $\angle Q=90^{\circ}$, its steps for construction is given below in jumbled form. Identify the fourth step from the following.<br/><br/>1. At point $ Q $, draw an angle of $ {90}^{\circ} $.<br/>2. From $ R $ cut an arc of length $ PR = 10.0 \ cm $ using a compass .<br/>3. Name the point of intersection of the arm of the angle $ {90}^{\circ} $ and the arc drawn in step 3, as $ P $.<br/>4. Join $P $ to $ Q $ . $ PQR $ is the required triangle. <br/>5. Draw the base side $ QR = 6\  cm $.
Question 19 :
Construct an isosceles$\triangle ABC,$ where base $AB=7\ cm$ and $\angle ABC=50^{o}$. Also, find the measure of $\angle ACB$.
Question 20 :
Construct a right angled $\triangle ABC$ with $\angle B = 90^\circ, BC = 5\ cm$ and $AC = 10\ cm$ and find the the length of side $AB$
Question 21 :
The perimeter of a triangle is $45\ cm$. Length of the second side is twice the lengthoffirst side. The third side is $5$ more than the first side. Find the length of each sides and construct the triangle made by these three sides.
Question 22 :
Length oftwo sides of a $\triangle ABC$is$AB=6\ cm$ and $BC=7\ cm$. Then, which of the following can represent the third side of the triangle ? Also, construct the triangle formed by these three sides.
Question 23 :
The sides $AB, BC, CA$ of a trinagle $ABC$ have $3, 4$ and $5$ interior point on them. The number of triangles that can be constructed using these points as vertices are
Question 24 :
State the following statement is True or False<br>In a right angle triangle $ABC$ such as $AC=5 cm ,BC=2 cm$ , $\angle B=90^o$<br>Then the length of $AB$ after construction is $7$cm
Question 25 :
Construct a triangle $ABC$, in which $AB = 5.5 cm, AC = 6.5 cm$ and $\angle BAC = 70^{\circ}$.<br/>Steps for its construction is given in a jumbled form.Identify its correct sequence.<br/>1) At $A$, construct a line segment $AE$, sufficiently large, such that $\angle BAC$ at $70^\circ$, use protractor to measure $70^\circ$<br/>2) Draw a line segment which is sufficiently long using ruler.<br/>3) With $A$ as centre and radius $6.5cm$, draw the line cutting $AE$ at C, join $BC$, then $ABC$ is the required triangle.<br/>4) Locate points $A$ and $B$ on it such that $AB = 5.5cm$.
Question 27 :
The sides $A B , B C , C A$ of a triangle $A B C$ have $3,4$ and $5$ interior points respectively on them. Thenumber of triangles that can be constructed using these points as vertices is
Question 28 :
If $b=3, c=4, \angle B=\dfrac{\pi}{3}$, then the number of triangles that can be constructed is
Question 29 :
Write the area of an equilateral triangle whose side is $6 cm.$
Question 30 :
The difference in the area of a square of perimeter $88$ m and a circle with same circumference is
Question 31 :
An equilateral triangle, a square and a circle have equal perimeters. If $T$ denotes the area of the triangle, $S$ is the area of the square and $C$ the area of the circle, then:
Question 32 :
The side of an equilateral triangle of area$ \displaystyle 64\sqrt{3}cm^{2} $ is
Question 33 :
If the radius of a circle be r cm then its area will be equal to-
Question 34 :
In $\Delta ABC$, $BC = a, CA = b$ and $AB = c$. Write the semiperimeter $s$.
Question 35 :
Find the circumference of the circle with the following radius : 10 cm
Question 36 :
The length of the arc of a sector having central angle $90$ degrees and radius 7 cm is 
Question 37 :
The ratio between the area of a square of side $a$ and an equilateral triangle of side $a$ is
Question 38 :
One side of a parallelogram is $8$ cm. If the corresponding altitude is $6$ cm, then its area is given by<br/>
Question 39 :
The area of a rectangle is same as that of a circle of radius $\displaystyle\sqrt{\frac{35}{11}}$cm. If the length of the rectangular exceeds its breadt by $3$cm., then the length of the rectangular is
Question 40 :
The area of parallelogram if the base is $36cm$  and height is $45cm$
Question 41 :
A garden is $24\ m$ long and $14\ m$ wide. There is a path $1\ m$ wide outside the garden along its sides. If the path is to be constructed with square marble tiles $20\ cm\times 20\ cm$, find the number of tiles required to cover the path?
Question 42 :
One side of a parallelogram is $18cm$ and its distance from the opposite side is $8cm$. The area of the parallelogram is:
Question 43 :
A(5, 1), B(1, 5) and C(-3,-1) are the vertices of $\Delta ABC. $  Find the  Length of sides.Find the longest side
Question 44 :
The circumference of a circle exceeds its diameter by $180$ cm. Then the radius is equal to
Question 45 :
The area of an isosceles triangle having base x cm and one side y cm is _________.
Question 46 :
The radius of a circle is $20 cm$. If more concentric circles are drawn inside it in such a manner that it is divided into 4 equal parts, find the radius of the smallest circle.
Question 47 : Find the values of P, Q, R and S.<br><table class="wysiwyg-table"><tbody><tr><td>Length of rectangle (cm)</td><td>Breadth of rectangle (cm)</td><td>Area $(cm^2)$</td><td>Perimeter (cm)</td></tr><tr><td>25</td><td>P</td><td>300</td><td>Q</td></tr><tr><td>18</td><td>R</td><td>S</td><td>66</td></tr></tbody></table>
Question 48 :
A cow is tied at the corner of a square field with 21 m long rope. The side of the square is 25 m The area of the field on which the cow cannot graze is
Question 49 :
Perimeter of a rectangular garden is $1.2 \times 10^5 km$ and length is $0.2 \times 10^5 km$. Find the area of the garden in standard form.
Question 50 :
If C is the circumference of a circle of radius r then which of the following statement is true?
Question 51 :
The.perimeter of an isosceles triangle is $32 cm$. The ratio of the equal side to base is $3 : 2$. Find the area of the triangle.
Question 52 :
If the diameter of a circle is increased by 200% then its area is increased by<br>
Question 53 :
A circle is inscribed in an equilateral triangle and a square is inscribed in the circle then the ratio of the area of the triangle to the area of the square is
Question 54 :
If a plane cuts off intercepts $OA=a,OB=b,OC=c$ from the co-ordinate axes, then the area of the triangle $ABC=$
Question 55 :
In an isosceles triangle each of the two equal sides is 3 cm more than twice the base If the perimeter of the triangle is 31 cm find the sides of the triangle
Question 56 :
There is an equilateral triangle of side 5 cm The maximum number of equilateral triangles (of side 1 cm) cut out will be
Question 58 :
The radius of a circle is increased by 1 cm. Then the ratio of new circumference to the new diameter is
Question 60 :
The sides of a triangle are 5 cm , 12 cm and 13 cm Then its area is
Question 61 :
A rectangle and a parallelogram have equal areas. The base of the parallelogram is $20 cm$ and the altitude is $6 cm$. Which one of the following cannot be the ratio of dimensions of the rectangle?
Question 62 : The area of a field surveyed is $11,200\ sq. m.$ the readings in the given field book are in meters.<br><table class="wysiwyg-table"><tbody><tr><td></td><td>To $D$</td><td></td></tr><tr><td></td><td>$200$</td><td></td></tr><tr><td><br></td><td>$160$</td><td>$'x'$ to $C$</td></tr><tr><td>To $E 'x'$</td><td>$120$</td><td></td></tr><tr><td></td><td>$80$</td><td>$40$ to $B$</td></tr><tr><td>To $F\ 40$</td><td>$40$</td><td><br></td></tr><tr><td></td><td>From $A$</td><td></td></tr></tbody></table>The value of $x$ will be
Question 63 :
A wire bent in the form of a circle of radius $42 cm$ is cut and again bent in the form of a square. The ratio of the regions enclosed by the circle and the square in the two cases, is given by
Question 64 :
What is the circumference of a circle whose radius is 8 cm?
Question 65 :
The perimeter of a triangle is $9m^2-2n+8$ and its two sides are $4m^2+3n$ and $7m^2+5n-12$. Find the third side of the triangle. 
Question 66 :
A square of side 16 cm is reduced by a scale factor 0.5 Find the area of the image<br>
Question 67 :
A steel wire bent in the form of a square of area $121\ cm^{2}$. If the same wire is bent in the form of a circle, then the area of the circle is
Question 68 :
A surveyor in his field book has drawn the plot as shown in the given figure. The area of the plot is 
Question 69 :
If $ABCD$ is a parallelogram then the ratio of the areas of parallelogram $ABCD$ and $\displaystyle \Delta ABC$ is
Question 70 :
The radius of a circular field is $210$ m. The cost of fencing its circumference at the rate of Rs.$1.25$ per metre is
Question 71 :
The number of triangles with any three of the lengths 1, 4, 6 and 8 cm are
Question 72 :
Each of these questions is followed by three statements. You have to study the question and all the three statements given to decide whether any information provided in the statement(s) is redundant and can be dispensed with while answering the given question.<br>What is the area of the given rectangle?<br>I.Perimeter of the rectangle is 60 cm.<br>II.Breadth of the rectangle is 12 cm<br>III.Sum of two adjacent sides is 30 cm
Question 73 :
A rectangle is 8 cm long and 5 cm wide Its perimeter is doubled when each of its sides is increased by $x$ cm. What is the new length?
Question 74 :
In a$\displaystyle \Delta ABC$ if AB + BC = 12 cm, BC + CA = 14 cm CA + AB = 18 cm then the perimeter of the triangle is__
Question 75 :
A square and an equilateral triangle have equal perimeters If the diagonal of the square is$ \displaystyle 6\sqrt{2}cm $ then the area of the triangle is
Question 77 :
The cost of leveling a circular field at $Rs. 2$ per sq. metre is $Rs. 33957$. Calculate the area of the field.
Question 78 :
One side of a parallelogram is 8 cm. If the corresponding altitude is 6 cm, then its area is given by
Question 79 :
The ratio of the radius of two sphere is 3 : 2 Then the ratio of their surface area is <br>
Question 80 :
The length and breadth of a rectangle are in the ratio $3:2$. If the sides of the rectangle are extended on each side by $1 m$, the ratio of length to breadth becomes $10:7$. Find the area of the original rectangle in square meters.
Question 81 :
A square and a rectangular plot of land have same perimeter. If the square is of side $40m$ and rectangle is of length $5$ decameter. Then area of rectangle is _______ .
Question 82 :
The length of a rectangle is $\left( \cfrac { 6 }{ 5 } \right) $th of its breadth. It its perimeter is $132m$, its area will be ______ .
Question 83 :
The produce of a square field when sold at therate of Rs. 1.50 per 100 sq. metres fetchesRs. 1350. What will be the cost of putting afence all round the field at the rate of 50 paiseper metre?
Question 84 :
Two sides of a triangle are $13 cm$ and $14 cm$ and its semi-perimeter is $18 cm$. Then, the third side of the triangle is:<br/>
Question 85 :
A piece of wire in the form of a rectangle $15\space cm$ long and $7\space cm$ broad is reshaped and bent into the form of a circle. Find the radius of the circle.
Question 86 :
A square and an equilateral triangle triangle have equal perimeters. If the diagonal of the square is $12\sqrt{2}$ cm, then area of the triangle is
Question 87 :
From a circle of radius 7 cm the largest possible square is cut and removed Find the area of the remaining portion (in cm$\displaystyle ^{2}$)
Question 88 :
The perimeter of circle is $\displaystyle \pi $ cm, then the area<br>
Question 89 :
If the area of a triangle equals the area of a rectangle and the area of the rectangle equals that of a square, then the area of the triangles also equals the area of the square.<br/>
Question 90 :
The length of the diagonal of a quadrilateral is $40\;cm$ and the perpendicular drawn to it from the opposite vertices are $12\;cm\;and\;7.5\;cm$. Find the area of the quadrilateral.
Question 91 :
The length of a rectangular garden is $2$ feet longer than $3$ times its width. If the perimeter of the garden is $100$ feet, find the width of the garden.
Question 92 :
A square and a parallelogram have the same area. If a side of the square is $40m$ and theheight of the parallelogram is $20m$, find the base of the parallelogram.<br>
Question 93 :
A drinking glass is in the shape of a frusturm of a cone of height 14 cm. The diameter of its two circular ends are 4 cm and 2 cm then the capacity glass is -
Question 94 :
The length of a rectangle is increased by $60\%$. By what percent would the width have to be reduced to maintain the same area?<br/>
Question 95 :
If arcs of same length in two circles subtend angles of $60^{\circ}$ and $75^{\circ}$ at their center, find the ratios of their radii.<br>
Question 96 :
The hypotenuse of a right angled triangle is $10\space cm$ and the radius of its inscribed circle is $1\space cm$. Therefore, perimeter of the triangle is
Question 97 :
A designated swimming pool of a circular pond at a park is marked with two ropes attached to a buoy at the center of the pond. Each rope is $10$ yards long, and together they form an angle of $160^o$. What is the approximate area of the sector that is designated for swimming pole?
Question 98 :
A floor which measures $15m\, \times\, 8m$ is to be laid with tiles measuring $50cm\, \times\, 25cm$. Find the number of tiles required.<br/>Further, if a carpet is laid on the floor so that a space of 1 m exists between its edges and the edges of the floor, what fraction of the floor is uncovered.
Question 99 :
An equilateral triangle has area $A\sqrt3$. Three circles are drawn with their centres at the vertices of the triangle. Diameter of each circle is equal to the length of each side of the triangle. The area of the triangle NOT included in any of the three circles is
Question 100 :
The side of a square is $2 cm$ and semicircles are constructed on each side of the square, then the area of the whole figure is
Question 101 :
The ratio of area to perimeter of square with side $5cm$ is 
Question 102 :
A room $8\,cm$ long, $6\,cm$ broad and $3\,cm$ high has two window $\displaystyle 1\frac{1}{2}\,m\times1\,m$ and door $\displaystyle2\,m\times\frac{1}{2}m$ Find the cost of papering the walls with paper $50\,cm$ wide at $25\,p$ per meter.
Question 103 :
The area of a semi circle is  circle is $\displaystyle \dfrac{\pi}{4}$ then the perimeter <br/>
Question 104 :
If an equilateral triangle of area $X$ and a square of area $Y$ have the same perimeter, then $X$ is:
Question 105 :
A chess-board contains $64$ equal squares and the area of each square is $6.25 cm^2$. And inside border around the board is $2$ cm. wide. The length of the chess-board is
Question 106 :
The length and breadth of a rectangular field are $260m$ and $130m$ respectively, then its area (in hectares) is ______ .
Question 107 :
The length of a rectangular hall is $5$ metres more than its breadth. If the breadth of the hall is $25$ metres, then the area of the hall is _________ .
Question 108 :
The area of a rectangle is 15 square centimeters and the perimeter is 16 square centimeters. What are the dimensions of the rectangle? <br/>
Question 109 :
A circle and a square have equal areas. The ratio of a side of the square and the radius of the circle is:
Question 111 :
If an area enclosed by a circle or a square or an equilateral triangle is the same, then the maximum perimeter is possessed by:
Question 112 :
Choose the correct answer from, the given four options:<br>If the area of a square is numerically equal to its perimeter, then the length of each side is<br>
Question 113 :
Find the area of a circular park whose circumference is $22$m.
Question 114 :
The ratio of the areas of the in circle and circumcircle of square is:
Question 115 :
A square and a regular hexagon have equal perimeters. Their areas are in the ratio:
Question 116 :
The area of a rectangle whose length is $5$ units more than twice its width is $75$ square units. What is its width?
Question 117 :
A rectangular field has a length $10$ feet more than it is width. If the area of the field is $264$, what is the width of the rectangular field?<br/>
Question 118 :
The volume of a right cone is 924$\displaystyle m^{2}$ and its height is 18 m then lateral surface area is<br>
Question 119 :
$A$ took $15$ seconds to cross a rectangular field diagonally walking at the rate of $52$ m/min and B took the same time to cross the same field along its sides, walking at the rate of $68$ m/min. The area of the field is: 
Question 120 :
A circular wire of radius 1 dm is cut and is placed along the circumference of a circle of radius of one metre. The angle subtended by the wire at the centre of the circle is equal to
Question 121 :
A horse is placed for grazing inside a square field 12 cm long and is tethered to one corner by a rope 8 cm long. The area it can graze is
Question 122 :
The number of marble slabs of size $20\ cm \times 30\ cm$ required to pave the floor of a square room of side 3 metres is
Question 123 :
Let $l > 0$ be a real number, $C$ denote a circle with circumference $l$, and $T$ denote a triangle with perimeter $l$. Then
Question 124 :
Circule of unit radius is in a rectangle of length  and $10\pi $m width $2\pi $ metres. The area of the remaining portion except the circle is:
Question 125 :
The perimeter of an equilateral triangle and a square are same then $\displaystyle \frac{area\,  of \Delta }{are\, of\ \square }=$
Question 126 :
An equilateral triangle and a square have equal perimeters. If side of the triangle is $9.6\ cm$; what is the length of the side of the square ?
Question 127 :
A square and an equilateral triangle have the same perimeter. If the diagonal of the square is $\displaystyle 12\sqrt{2}$ cm, then the area of the triangle is:
Question 128 :
If the length of circumference of a circle is $60$cm more than its diameter, then length of its circumference is?
Question 129 :
A parallelogram has sides $30 m, 70 m$ and one of its diagonals is $80 m$ long. Its area will be
Question 130 :
The perimeter of a sector is a constant. If its area is to be maximum, then the sectorial angle is
Question 131 :
The perimeter of sheet of paper in the shape of a quadrant of a circle is 25 cm then area of the paper is <br>
Question 132 :
The cost of fencing a circular field at the rate of Rs 12 per meter is Rs 1320 The field is to be ploughed at Rs 2 per $\displaystyle m^{2}$ then of ploughing is $\displaystyle \left ( \pi =\frac{22}{7} \right )$<br/>
Question 133 :
A plot of land is in the shape of a right angled isosceles triangle. The length of the hypotenuse is $50\sqrt{2}\ m$. The cost of fencing it at Rs. $3$ per mete will be
Question 134 :
If the error in the radius of a circle is $0.2$ then the relative error in its area is
Question 135 :
The diameters of two wheels are $10$ in. and $14$ in. The smaller makes $50$ more revolutions than the larger in going a certain distance. This distance, in inches, is
Question 137 :
The dimension of a rectangular court is such that if the length were increased by $2$ metres and the breadth diminished by the same, its area would be diminished by $12$ square metres, and if the length were increased by $2$ metres and its breadth increased by the same. Its area would be increased by $44$ square metres. Find the length.
Question 138 :
The area of a triangle whose vertices are (1, 2), (-3, 4) and (-5, 6) is
Question 139 :
The perimeter of an isosceles triangle is $32cm$ and each of the equal sides is $5/6$ times of the base. What is the area (in ${cm}^{2}$) of the triangle?
Question 140 :
Find the area of the circle if the area of an isosceles right triangle inscribed in it is 18 $\displaystyle cm^{2}$
Question 141 :
A boy walks diagonally across a square lot. What percent does he save by not walking along the edges(approximately)?
Question 142 :
Find the area of a triangle ABC whose vertices are A(-2 ,2) B(5 ,2) and whose centroid is (1 , 3)
Question 143 :
A circle of radius x has an area twice that of a square of side a. The equation used to find the radius ofthe circle is
Question 144 :
A triangular park in a city has dimensions $100 m \times 90 m \times 110 m$. A contract is given to a company for planting grass in the park at the rate of $Rs. 4000$ per. hectare. Find the amount to be paid to the company. (Take $\sqrt 2  = 1.414$) (1 hectare $= 10,000 m^2$)
Question 145 :
The apothem of a square having its area numerically equal to its perimeter is compared with the apothem of an equilateral triangle having its area numerically equal to its perimeter. The first apothem will be:
Question 146 :
If $a=i+j+k, b=i+3j+5k$ and $ c=7i+9j+11k$, then the area of Parallelogram having diagonals a+b and b+c is.<br/>
Question 147 :
If circle R, of area 4 square inches, radius of circle S is twice of circle R, then the area of circle S, in square inches, is
