Circle Vocabulary

Front

The long way around a circle that is greater than 180°.

Back

Major Arc

Front

What is the length L called?

Back

Minor Arc

Front

What is this called?

Back

Tangent Line

Tags

CCSS.HSG.CO.A.1

Front

What is the part of the circle highlighted in red called?

Back

Semi-Circle Arc

Front

What is this called?

Back

Diameter

Front

A line that touches a circle at exactly one point.

Back

Tangent Line

Front

A line that intersects a circle at two points.

Back

Secant Line

Front

A line segment whose endpoints lie on the circle.

Back

Chord

Front

The longest chord of a circle, passing through the center.

Back

Diameter

Front

The area enclosed by two radii and the arc between them.

Back

Sector

Tags

CCSS.HSG.C.B.5