Week 15 Polygon Angles Flashcard

Front

Find the measure of one angle in a REGULAR octagon.

Back

135°

Front

The opposite sides and opposite angles of a parallelogram are...

Back

congruent

Front

Find the measure of ONE exterior angle of a regular decagon.

Back

36°

Front

What is the SUM of the angle measures in a 35-gon?

Back

5940°

Front

A polygon with six sides is called a(n) ______________.

Back

hexagon

Front

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

Back

(n-2) × 180°, where n is the number of sides.

Front

How many sides does a polygon have if the sum of its interior angles is 720°?

Back

8 sides (octagon).

Front

What is the measure of each interior angle in a regular pentagon?

Back

108°

Front

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

Back

Interior angle + Exterior angle = 180°.

Front

What is a regular polygon?

Back

A polygon with all sides and angles equal.