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FS A sce eh) ga ee, , Is of a rectangle are perpendicular to each other, , s of a rhombus are equal, , Every rhombus is a kite., , Every rectangle is a square., , (vi) Every square ts, (vit), , (vit), (oo), (x), , , , (ii) The diagona, (it) The diago:, (iy), 7), , , , , , a parallelogram., , Every square is a rhombus. 4, Every rectangle is a parallelogram. :, , Every parallelogram is a rectangle., , Every rhombus is a parallelogram., , , , EXERCISE 168, , )BJECTIVE QUESTIONS, , Nick (/) the correct answer, 1, , , , each of the following:, ‘The two diagonals are not necessarily equal ina, (a) rectangle, , (b) square (c) rhombus, , , , , , , , , , , (d) isosceles trapezium, 2. The lengths of the diagonals of a rhombus are 16 cm and 12 cm. The length of each side of, the rhombus is, (a) Bem (b) 9cm (c) 10m (d) 12cm, 3. Two adjacent angles of a parallelogram are (2x + 25)° and (3x -5)°, The value of x is, (a) 28 (b) 32 (c) 36 (a) 42, 4. The diagonals do not necessarily intersect at right angles in a, {a) parallelogram (b) rectangle (©) rhombus (d) kite, 8., , ‘The length and breadth of a rectangle are in the ratio 4 : 3. If the diagonal measures 25 cm, then the perimeter of the rectangle is, , (a) 56 em (b) 60 cm., , , , (c) 70cm (a) 80 em, , ‘The bisectors of any two adjacent angles of a parallelogram intersect at, a) 30° (b) 45° (c) 60° (a) 90°, , 7. Wan angle of a parallelogram is two-thirds of its adjacent angle, the smallest angle of the, parallelogram is, , (a) 54°, , , , (b) 72° (c) 81° (a) 108°, 8, The diagonals do not necessarily bisect the interior angles at the vertices in a, , (@) rectangle (b) square (¢) rhombus, , (4) all of these, ®. Ina square ABCD, AB = (2x + 3) cm and BC = (3x —5) cm. Then, the value of x is, fa) 4 m5 (16 (a8, 10. Ifone: aig ram is 24° ess than twice the smallest angle then the largest angle, (102° fo 112 (a) 176, , =, @