The given regular polygon has 7 sides.

Sum of the measures of exterior of angles of a regular polygon is 360.

             (n is the measure of the exterior angle)

           (Divide each side by 6)

After rounding to the nearest tenth .

The measure of each exterior angle of the polygon is 51.4.

Since each exterior angle and its corresponding interior angle form a linear pair,

the measure of the interior angle is .

The measure of an exterior angle of the polygon is 51.4.

The measure of an interior angle of the polygon is 128.6.