1. All the angles of a regular polygon are of ______________.

2. Minimum possible interior angle in a regular polygon is ______________.

3. Polygons that have any portions of their diagonals in their exteriors are called

4. The diagonals of a square bisect each other at ______________ angle.

5. The angle sum of all interior angles of a convex polygon of sides 7 is

6. If two diagonals are given, then we can construct a:

7. A polygon with minimum number of sides is

8. What is the sum of the measures of angles of a convex quadrilaterals?

9. The number of sides in a regular polygon is 15 , then measure of each exterior angle is

10. The diagonals of a rhombus bisect each other at ______________ angles.

11. If two diagonals and three sides are given, then:

12. How many measurements can determine a quadrilateral uniquely?

13. How many diagonals does a regular Hexagon has ?

14. How many sides does decagon has?

15. To construct a parallelogram we need to know:

16. Maximum number of right angles in a right angled triangle are

17. How many sides does a heptagon have ?

18. The opposite angles of a parallelogram are ______________ .

19. The diagonals of a square are ______________ each other

20. A parallelogram each of whose angles measures 90° is ______________.