Circles Area and Circumference

Front

What is the diameter? Options: 8, 16, 10, 4

Back

16

Front

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

Back

c = 15π

Front

Find the area of the circle

Back

153.86

Front

What is the area of this circle?

Back

1134.11

Front

What is the area of this semicircle? Options: 100.48cm², 80cm², 200.96cm², none of the above

Back

none of the above

Front

Circumference of a circle is 25.12 inches. Find the diameter. Use π = 3.14.

Back

8 in.

Front

The radius is 8 inches. What is the circumference?

Back

50.24 inches

Front

A circular pie has an area of 706.5 cm². What is the radius of the pie?

Back

15 cm

Front

Ms. Merine's hoop earring has a diameter of 3.5 cm. What is the area of her earring (round to the hundredth's place)? Options: 9.25 cm², 9.62 cm², 9.15 cm², 9.99 cm²

Back

9.62 cm²

Front

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

Back

9.5 inches