Geometry Unit 1 Test Vocab Review

Front

Two angles that sum to 90 degrees

Back

Complementary

Front

Object with two endpoints

Back

Line segment

Front

Object extending indefinitely in two directions

Back

Line

Front

Two lines intersecting at right angles

Back

Perpendicular

Front

Special point dividing segment into two congruent parts

Back

Midpoint

Front

Two or more points in a straight line

Back

Collinear

Front

Object with one endpoint, extends indefinitely

Back

Ray

Front

Angle < 90°

Back

Acute angle

Front

Common endpoint of an angle

Back

Vertex

Front

Flat surface extending indefinitely

Back

Plane