The measure of each interior angle of a pentagon is $x°$, find the value of $x$.

If the measure of each interior angle of a regular hexagon is $k°$. Find the value of $k$.

What is the measure of each interior angle of the following regular polygon?

Octagon

What is the measure of each interior angle of the following regular polygon?

Decagon

Find the number of sides of a regular polygon whose each exterior angle is of the following measure.

$72°$

Find the number of sides of a regular polygon whose each exterior angle is of the following measure.

$20°$

Find the number of sides of a regular polygon whose each exterior angle is of the following measure.

$36°$

Find the number of sides of a regular polygon whose each exterior angle is of the following measure.

$40°$

How many sides does a regular polygon have if each of its interior angle measures the following?

$150°$