Question
An interior angle measure of a regular polygon is given. Find the number of sides and the measure of each exterior angle. (Lesson $6-1$ )$$120^{\circ}$$
Step 1
Given that the interior angle is $120^{\circ}$, we can find the exterior angle by subtracting the interior angle from $180^{\circ}$. \[180^{\circ} - 120^{\circ} = 60^{\circ}\] So, the exterior angle of the polygon is $60^{\circ}$. Show more…
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