Circumference and Area of Circles (Basic)

Front

Diameter of a bowl is 14 cm. What is the circumference? Use 3.14 for π.

Back

43.96 cm

Front

Cynthia wants to buy a round photo frame for her brother. The radius of the photo frame is 9 cm. What is the photo frame’s circumference?

Back

18π cm

Front

Radius of a cookie is 5 inches. What is the cookie’s circumference? Use 3.14 for π

Back

31.4 in

Front

A circular swimming pool is 21 feet in diameter. How many feet around is the pool? Use ²²⁄₇ for π.

Back

66 ft

Front

The circumference of a circle is

Back

The measurement around the circle

Front

What is the radius of this circle? Options: 18 in, 10 in, 9 in, 8 in

Back

9 in

Front

What is the diameter of this circle? Options: 3.5 m, 3 m, 5 m, 7 m

Back

7 m

Front

Find the area of the circle? Use 3.14 for π

Back

153.86 units²

Front

Find the area of the circle. Use 3.14 for π

Back

254.34 in²

Front

Find the area of the circle below. Use 3.14 for π.

Back

28.26 cm²