Interior and Exterior Angles of Polygons

Front

What is the formula to find one exterior angle in a regular polygon?

Back

360/n

Front

What is the measure of one interior angle in a regular pentagon (5 sides)?

Back

108°

Front

What is the sum of the angle measures in a nonagon (9 sides)?

Back

1260°

Front

If an exterior angle of a regular polygon measures 15°, how many sides does it have?

Back

24

Front

What is the formula to find the sum of the interior angles of a polygon with n sides?

Back

(n-2)180°

Front

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

Back

(n-2)180/n

Front

What is the measure of one exterior angle in a regular hexagon (6 sides)?

Back

60°

Front

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

Back

Interior angle + Exterior angle = 180°

Front

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

Back

180°

Front

How many sides does a polygon have if the measure of each exterior angle is 30°?

Back

12