The given regular polygon has 6 sides.

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

(n is the measure of the exterior angle)

(Divide each side by 6)

The measure of each exterior angle of the polygon is 60.

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 60.

The measure of an interior angle of the polygon is 120.

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