Polygon Angle Sum Theorem

Front

The sum of the interior angles of a polygon is __________________ where n is the number of sides.

Back

(n - 2)180

Front

Find the measure of ONE interior angle of a regular dodecagon.

Back

150

Front

Find the sum of the angle measures in a polygon with 8 sides.

Back

1080

Front

A polygon with 8 sides is called a(n) __________________.

Back

octagon

Front

Find the measure of one interior angle in a regular 25-gon. Round your answer to the nearest tenth if necessary.

Back

165.6⁰

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

How many sides does a decagon have?

Back

10 sides

Front

What is the measure of each interior angle in a regular hexagon?

Back

120°

Front

If a polygon has 12 sides, what is the sum of its interior angles?

Back

1800°

Front

What is the name of a polygon with 5 sides?

Back

Pentagon