Interior and Exterior Angles of a Polygon

Front

What is the measure of each interior angle of a regular octagon?

Back

135

Front

What is the formula for the sum of the interior angles of a polygon?

Back

S = (n-2) × 180

Front

The sum of the interior angles of a polygon is 1620°. How many sides does the polygon have?

Back

11

Front

Find the value of X if one of the interior angles is 116°.

Back

116

Front

What is the measure of each interior angle of a regular 20-gon?

Back

162

Front

What is the definition of an interior angle?

Back

An interior angle is formed by two sides of a polygon that meet at a vertex, lying inside the polygon.

Front

What is the definition of an exterior angle?

Back

An exterior angle is formed by one side of a polygon and the extension of an adjacent side.

Front

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

Back

The interior angle and its corresponding exterior angle are supplementary, meaning they add up to 180°.

Front

How do you calculate the measure of an exterior angle of a regular polygon?

Back

The measure of an exterior angle of a regular polygon is 360° divided by the number of sides (n).

Front

What is the sum of the exterior angles of any polygon?

Back

The sum of the exterior angles of any polygon is always 360°.