Area and Circumference of Circles

Front

If my radius is 10ft, what is my diameter?

Back

20ft

Front

If my diameter is 19 inches, what is my radius?

Back

9.5 inches

Front

Circumference = 50.24ft. What is the radius?

Back

8ft

Front

To go from radius to diameter I need to do what?

Back

multiply by 2

Front

The diameter of a circle is:

Back

The distance from an edge of a circle to another edge through the center.

Front

The circumference of a circle is

Back

The measurement around the circle

Front

Minimum length of fencing needed to enclose a circular garden (Options: 56.25 ft, 246 ft, 365 ft, 393 ft)

Back

393 ft

Front

What is the formula for circumference of a circle given the diameter? Options: C = π(1/2 d)², C = πr, C = πd, C = πr²

Back

C = πd

Front

Which shows the diameter? Options: A, B, C, D

Back

D

Front

Find the area of the circle

Back

254.34