12.5.24 Classwork 1

Front

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

Back

They are supplementary.

Front

What is the formula to find the measure of each interior angle of a regular polygon?

Back

Front

If the sum of the interior angles of a polygon is 540 degrees, how many sides does it have?

Back

A polygon with 540 degrees has 4 sides (quadrilateral).

Front

What is the measure of each exterior angle of a regular polygon?

Back

Front

How do you find the value of y in a polygon angle problem?

Back

Use the properties of supplementary angles or the interior angle sum.

Front

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

Back

180 degrees.

Front

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

Back

360 degrees.

Front

If one interior angle of a regular polygon is 120 degrees, how many sides does it have?

Back

A polygon with an interior angle of 120 degrees has 6 sides (hexagon).

Front

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

Back

Front

What is the measure of an exterior angle of a regular pentagon?

Back

72 degrees.