Question 1 :
State true or false: We can construct a triangle when its base, a base angle and the sum of other two sides is given.
Question 2 :
State true/false, a triangle ABC can be constructed in which ∠ B = 105°, ∠C = 90° and AB + BC + AC = 10 cm.
Question 3 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1d1acf59b460d7261f4a0.png' />
State true or false: The above image shows the construction of an equilateral triangle where its two sides and two angles are given.
Question 4 :
State true/false, a triangle ABC can be constructed in which AB = 5 cm, ∠A = 45° and BC + AC = 5 cm.
Question 5 :
State true or false: A triangle is unique if two sides and the included angle is given.
Question 6 :
State true or false: An angle of 67.5° can be constructed.
Question 7 :
State true/false, a triangle ABC can be constructed in which ∠ B = 60°, ∠C = 45° and AB + BC + AC = 12 cm
Question 8 :
The construction of a triangle ABC in which AB = 4 cm, ∠A = 60° is not possible when difference of BC and AC is equal to
Question 9 :
State true or false: A right triangle is unique if the hypotenuse and one side is given.
Question 10 :
The construction of a triangle ABC, given that BC = 3 cm, ∠C = 60° is possible when difference of AB and AC is equal to
Question 11 :
State true or false: We can construct a triangle given its perimeter and the two base angles.
Question 12 :
With the help of a ruler and a compass, it is possible to construct an angle of
Question 13 :
With the help of a ruler and a compass it is not possible to construct an angle of
Question 14 :
State true or false: We can construct a triangle when its base, a base angle and the difference of other two sides is given.
Question 15 :
_____________ construction means using only a ruler and a pair of compasses as geometrical instruments.
Question 16 :
State true/false, a triangle ABC can be constructed in which BC = 6 cm, ∠C = 30° and AC – AB = 4 cm.
Question 18 :
The construction of a triangle ABC, given that BC = 6 cm, ∠B = 45° is not possible when difference of AB and AC is equal to
Question 20 :
State true or false: A triangle is unique if two angles and the included side is given.
Question 21 :
State true or false: A triangle is unique if three sides are given.