1. With the help of a ruler and compasses which of the following is not possible to construct?

2. If the construction of a triangle ABC in which AB = 6 cm, ∠A = 70° and ∠B = 40° is possible then find the measure of ∠c.

3. Which of the following set of lengths can be the sides of a triangle?

4. The construction of a triangle ΔABC in which BC = 6 cm, ∠A = 50° is not possible, when difference of BC and AC is equal to

5. Which of the following angle can be constructed with the help of a ruler and a pair of compasses?

6. To construct an angle of 60 degrees, we need to draw first:

7. The side lengths 4 cm, 4 cm and 4 cm can be sides of:

8. If a, b and c are the lengths of three sides of a triangle, then:

9. Which of these angles we cannot construct it using ruler and compasses?

10. Which of the following angles can be constructed using ruler and compass?