Geometry Terms

Front

Midpoint Formula

Back

Front

Segment Bisector

Back

A segment, line, or plane that intersects a segment at its midpoint.

Front

Ray

Back

A line that extends indefinitely in one direction.

Front

Angle

Back

The intersection of two rays at an endpoint.

Front

Vertex

Back

The common endpoint of an angle where the sides intersect.

Front

Right Angle

Back

An angle with a degree measure of 90°.

Front

Acute Angle

Back

An angle with a degree measure less than 90°.

Front

Obtuse Angle

Back

An angle with a degree measure greater than 90°.

Front

Congruent Angles

Back

Angles that have the same measure are congruent.