Interior and Exterior Angles of Polygons

Front

What is the sum of the interior angles for a polygon with n sides?

Back

(n - 2) × 180 degrees.

Front

What is the sum of the interior angles for a 24-gon?

Back

3960 degrees.

Front

What is the formula to find the sum of the interior angles of any polygon?

Back

(n - 2) × 180.

Front

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

Back

((n - 2) × 180) / n.

Front

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

Back

360 / n.

Front

What is the measure of each exterior angle of a regular 67-gon?

Back

5.4 degrees.

Front

If a polygon has 5 sides, what is the sum of its interior angles?

Back

540 degrees.

Front

If a polygon has 8 sides, what is the measure of each interior angle of a regular octagon?

Back

135 degrees.

Front

How do you calculate the number of sides of a polygon if the sum of the interior angles is 720 degrees?

Back

n = (720 / 180) + 2 = 6 sides.

Front

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

Back

Interior angle + Exterior angle = 180 degrees.