Circle Vocabulary

Front

What is the distance around a circle?

Back

Circumference

Front

This is a picture of ___________.

Back

Chord

Front

A segment that connects two points on a circle; may or may not pass through the center of the circle.

Back

Chord

Front

Find the circumference (to the nearest whole number) if the diameter is 28 in.

Back

88 in

Front

A line that touches a circle in just one point.

Back

Tangent

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 area of a circle with a radius of 7 in?

Back

154 square in (using A = πr²)

Front

What do you call an angle whose vertex is at the center of the circle?

Back

Central Angle

Front

What is the term for a line segment that intersects a circle at two points?

Back

Secant