Parts of a Circle (1)

Front

What is the formula for circumference of a circle given the diameter? Options: C = π r, C = 2 π r, C = π d, C = 2 π d

Back

C = π d

Front

Circumference of a circle is 22 π ft. What is the radius?

Back

11 ft

Front

If the circumference of a circle is 22π, what is the diameter?

Back

22 ft

Front

If the circumference of a circle is 44 π feet, what is the radius?

Back

22 ft

Front

The _____ is the distance from the center to any point on the circle.

Back

radius

Front

The distance across a circle through its center is called the _____ (Options: diameter, radius, π, center).

Back

diameter

Front

Which segment is the diameter? Options: AC, BD, LM, CE

Back

BD

Front

What is the radius? Options: 18, 72, 38, 14

Back

18

Front

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

Back

circumference

Front

The space contained inside of a circle is called the...

Back

area