Area and Circumference Practice Circle

Find the area of the circle, round to nearest tenth:
d = 4 in

• 26 in²

• 13 in²

• 50.2 in²

• 12.6 in²

Find the circumference of the circle.

• 31.4 cm

• 78.5 cm

• 314 cm

• 15.7 cm

Find the circumference of the circle.

• 38.47 cm

• 10.99 cm

• 43.96 cm

• 21.98 cm

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?

• 3 m 

• 9.42 m

• 12 m

• 18.84 m

The radius of the circle is 9 meters.  What is the circle's circumference?

• 9 meters

• 28.26 meters

• 56.52 meters

• 18 meters

Find the circumference (to the nearest whole number)

• 88 in

• 44 in

• 116 square in

• None of the above

Find the circumference of the circle.

• 14.13 cm

• 63.56 cm

• 28.26 cm

• 127.17 cm

What is the radius of this circle?

• 12

• 6

• 24

Find the area of the circle, round to nearest tenth:
r = 12 in

• 452.2 in²

• 45.2 in²

• 113.0 in

• 450 in²

What is the diameter?

• 8

• 16

• 10

• 4