Geometry Vocab 1

Front

Angle > 0° and < 90°

Back

Acute Angle

Front

Two angles sharing a common vertex and side, with no common interior points.

Back

Adjacent angles

Front

A set of points with two rays sharing an endpoint.

Back

Angle

Front

Two angles that sum to 90 degrees

Back

Complementary

Front

Points on the same line

Back

Collinear

Front

Line segments of equal length

Back

Congruent segments

Front

Two angles with the same measure

Back

Congruent Angles

Front

Geometric drawing using limited tools (compass, straightedge)

Back

Construction

Front

Points in the same plane

Back

Coplanar

Front

Ends of a line segment or ray

Back

Endpoint