Fill in the blanks.

For a regular polygon of n sides, we have:

i. Sum of all exterior angles = ...... .

ii. Sum of all interior angles = ...... .

Each interior angle of a polygon is 135. How many sides does it have?

Fill in the blanks.

For a convex polygon of n sides, we have:

i. Sum of all exterior angles = ...... .

ii. Sum of all interior angles = ...... .

iii. Number of diagonals = ...... .

Fill in the blanks.

i. Each interior angles of a regular octagon is

ii. The sum of all interior angle of a regular hexagon is

iii. Each exterior angle of a regular polygon is 60°. This polygon is a ...... .

iv. Each interior angle of a regular polygon is 108°. This polygon is a ...... .

v. A pentagon has ...... diagonals.

Write ‘T’ for true and ‘F’ for false of each of the following:

i. The diagonals of a parallelogram are equal.

ii. The diagonals of a rectangle are perpendicular to each other.

iii. The diagonals of a rhombus bisect each other at right angles.

iv. Every rhombus is a kite.