#1 Regular Polygons, interior and exterior angles

Front

What is a regular polygon?

Back

A regular polygon is a polygon with all sides and all angles equal.

Front

How do you calculate the sum of the interior angles of a polygon?

Back

Front

If the sum of the interior angles of a polygon is 900°, how many sides does it have?

Back

The polygon has 7 sides.

Front

What is the formula for finding the measure of each interior angle of a regular polygon?

Back

Front

What is the measure of the central angle of a regular polygon?

Back

Front

What is an apothem in a regular polygon?

Back

An apothem is the line from the center of the polygon to the midpoint of one of its sides.

Front

How do you find the area of a regular polygon?

Back

Front

What is the relationship between the number of sides and the sum of the interior angles?

Back

Front

Back

Front

What is the measure of the central angle of a regular octagon?

Back