Basics of Geometry Review

Front

All triangles measure ________ degrees.

Back

180

Front

A line that contains point M is called __________.

Back

Line p

Front

A regular polygon is NOT __________.

Back

concave

Front

Find the size of angle x: If angle x + 40° = 180°, what is angle x?

Back

140°

Front

What type of angle is shown? If an angle measures 180°, it is called __________.

Back

straight

Front

The sum of the interior angles of a triangle is __________ degrees.

Back

180

Front

A polygon with all sides and angles equal is called __________.

Back

regular polygon

Front

An angle that measures less than 90° is called __________.

Back

acute

Front

An angle that measures more than 90° but less than 180° is called __________.

Back

obtuse

Front

An angle that measures exactly 90° is called __________.

Back

right