Angles of Polygons Review

Front

What is the measure of one interior angle in a regular pentagon?

Back

108°

Front

What is the sum of the interior angles of a 25-gon?

Back

4140°

Front

If an exterior angle of a regular polygon has a measure of 36 degrees, how many sides does it have?

Back

10

Front

What is the formula to calculate the sum of the interior angles of a polygon?

Back

(n - 2) × 180°, where n is the number of sides.

Front

What is the measure of one exterior angle in a regular polygon with 10 sides?

Back

36°

Front

How do you find the measure of one interior angle in a regular polygon?

Back

Divide the sum of the interior angles by the number of sides.

Front

What is the sum of the interior angles of a triangle?

Back

180°

Front

What is the sum of the interior angles of a quadrilateral?

Back

360°

Front

If a polygon has 8 sides, what is the sum of its interior angles?

Back

1080°

Front

What is the relationship between interior and exterior angles of a polygon?

Back

Interior angle + Exterior angle = 180°.