1. How many diagonals does a regular Hexagon has?

2. How many sides does a heptagon have?

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

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

5. the diagonals of a rhombus bisect each other at ______________ angles.

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

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

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

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

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