properties of circles

Front

Definition of a chord

Back

A line that stretches across the circle in any type of length, but has to be in a straight line.

Front

The distance all the way around the circle is called the...

Back

Circumference.

Front

Which segment is a radius?

Back

DC.

Front

Identify the region of PAQ

Back

Minor segment.

Front

What is the formula for the circumference of a circle?

Back

C = 2πr, where r is the radius.

Front

What is the diameter of a circle?

Back

A line segment that passes through the center of the circle and has its endpoints on the circle.

Front

What is a sector of a circle?

Back

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

Front

What is an arc in a circle?

Back

A part of the circumference of a circle.

Front

What is the radius of a circle?

Back

A line segment from the center of the circle to any point on the circle.

Front

What is the area of a circle?

Back

A = πr², where r is the radius.