Geo/Trig - Unit 8 Circles Vocab

Front

Distance across a circle through its center

Back

Diameter

Front

Space inside a circle

Back

Area

Front

Distance from center to any point on a circle

Back

Radius

Front

Distance around a circle

Back

Circumference

Front

Formula for circumference of a circle:

Back

dπ

Front

Formula for area of a circle:

Back

πr²

Front

Radius representation:

Back

segment JD

Front

Represents a secant:

Back

line AC

Front

Represents a tangent:

Back

line XM

Front

Represents a chord:

Back

segment GD