The interior angle of a regular polygon exceeds its exterior angle by $108°$. How many sides does the polygon have ? 

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

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

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

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

Find the measure of each exterior angle of a regular polygon of $15$ sides.

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

Find the measure of each interior angle of a regular polygon having $10$ sides.

Find the measure of each interior angle of a regular polygon having $15$ sides.