Find the measure of $\angle QPS$ in the following figure.

Fill in the blanks.

i. Each interior angles of a regular octagon is $\left(......\right)°$.

ii. The sum of all interior angle of a regular hexagon is $\left(.....\right)°$.

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.

Find the angle measure $x$ in the given figure.

In the given figure, find the angle measure $x$.

For a convex polygon of $n$ sides, find the um of all exterior angles, the sum of all interior angles and the number of diagonals.

Find the measure of each exterior angle of a regular pentagon.

What is the sum of all interior angles of a regular pentagon?

For a convex polygon of $n$ sides, find the um of all exterior angles and the sum of all interior angles.

Find the number of sides of a regular polygon whose each exterior angle measure: $40°$

Is it possible to have a regular polygon each of whose interior angles is $100°$?

Is it possible to have a regular polygon each of whose exterior angles is $50°$?