Parts of a circle

Front

What is a line segment that joins two points on a curve called?

Back

Chord

Tags

CCSS.4.G.A.1

Front

What is the center of a circle?

Back

The point that is equidistant from all points on the circle.

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 the radius of a circle?

Back

The distance from the center of the circle to any point on the circle.

Front

What is the circumference of a circle?

Back

The distance around the circle.

Tags

CCSS.7.G.B.4

Front

What is an arc in a circle?

Back

A part of the circumference of a circle.

Tags

CCSS.HSG.C.B.5

Front

What is a sector in a circle?

Back

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

Front

If the diameter of a circle is 16 m, what is the radius?

Back

8 m

Tags

CCSS.7.G.B.4

Front

If the radius of a circle is 5 m, what is the diameter?

Back

10 m

Tags

CCSS.7.G.B.4

Front

What is the formula for the circumference of a circle?

Back

Tags

CCSS.7.G.B.4