Geometry Terms and Definitions

Front

The ______________________________ is the distance around a circle.

Back

Circumference

Front

The ______________________________ is the distance from the center of a circle to any point on the circle.

Back

Radius

Front

The ratio of the circumference of a circle to its diameter is called

Back

pi

Front

The sum of the measures of ______________________________ is 90°

Back

Complementary Angles

Front

A ______________________________ is used to represent objects that are too large or too small to be drawn at actual size.

Back

Scale Drawing

Front

Two angles are ______________________________ if the sum of their measures is 180°

Back

Supplementary

Front

Angles that have the same vertex, share a side, and do not overlap are called______________________________.

Back

Adjacent

Front

Congruent, opposite angles formed by the intersection of two lines are ______________________________.

Back

Vertical

Front

The distance across a circle from one edge, through the center, to the opposite edge (a straight line) is ____________.

Back

Diameter