Circle Vocabulary

Front

Which part of the circle is a line segment with both endpoints on the circle?

Back

Chord

Front

What do you call a part of the circumference of a circle?

Back

Arc Length

Front

What is AB?

Back

Diameter

Front

What is the term for the distance around a circle?

Back

Circumference

Front

What is CB?

Back

Radius

Front

What is the longest chord in a circle?

Back

Diameter

Front

What is the distance from the center of the circle to any point on the circle?

Back

Radius

Front

What is the formula for the circumference of a circle?

Back

C = 2πr or C = πd

Tags

CCSS.7.G.B.4

Front

What is a sector of a circle?

Back

A region bounded by two radii and the arc between them.

Front

What is the area of a circle?

Back

A = πr²

Tags

CCSS.7.G.B.4