Geometry Vocab Chapter 1

Front

Points that lie on the same LINE are _______.

Back

collinear points

Front

An angle that is greater than 90 degrees but less than 180 degrees is called _______.

Back

obtuse angle

Front

Angles with the same measure are called ________ angles.

Back

congruent

Front

Points and lines that lie on the same PLANE are __________.

Back

coplanar

Front

What does the m in front of the angle symbol represent?

Back

measure

Front

A straight angle measures ______ degrees.

Back

180 degrees

Front

An angle that is less than 90 degrees is called _______.

Back

acute angle

Front

Two angles that add up to 90 degrees are called ________ angles.

Back

complementary

Front

The point where two lines intersect is called a _______.

Back

vertex

Front

A line segment has _______ endpoints.

Back

two