Unit 8 Geometry Terms

Front

adjacent angles

Back

Two angles that share a ray.

Front

angle

Back

A figure formed by two rays with a common endpoint.

Front

area

Back

The number of square units needed to cover a surface.

Front

center

Back

The point inside the circle that is the same distance from all points on the circle.

Front

central angle

Back

An angle in a circle with its vertex at the center of a circle.

Front

chord

Back

A line segment with endpoints on a circle.

Front

circle

Back

The set of all points that are the same distance from a center point.

Front

circumference

Back

The distance around a circle.

Front

complementary angles

Back

Two angles whose sum is 90°.

Front

composite figure

Back

A geometric figure made of two or more geometric shapes.