Chapter 1 Vocabulary Practice

Front

Formed by two rays that have the same initial point

Back

Angle

Front

An angle that measures exactly 180 degrees

Back

Straight Angle

Front

An angle that measures exactly 90 degrees

Back

Right Angle

Front

A segment, ray or line that divides a segment into two congruent parts

Back

Bisector

Front

The point that divides a segment into two congruent segments

Back

Midpoint

Front

An angle that measures less than 90 degrees

Back

Acute Angle

Front

An angle that measures more than 90 degrees but less than 180 degrees

Back

Obtuse Angle

Front

Two angles that add up to 90 degrees

Back

Complementary Angles

Front

Two angles that add up to 180 degrees

Back

Supplementary Angles

Front

A line that intersects two or more lines at different points

Back

Transversal