Circumference and Area of Circles

If the radius is 10 in, find the circumference of the circle. Leave your answer in terms of π.

• 10π in

• 20π in

• 22π in

• 5π in

Tags

CCSS.7.G.B.4

If the diameter is 18 ft, find the circumference of the circle. Leave your answer in terms of π.

• 10π ft

• 36π ft

• 18π ft

• 9π ft

Tags

CCSS.7.G.B.4

If the radius is 3.8 mi, find the circumference of the circle. Round your answer to the nearest tenth.

• 26.4 mi

• 11.9 mi

• 27 mi

• 23.9 mi

Tags

CCSS.7.G.B.4

If the diameter is 7 in, find the circumference of the circle. Round your answer to the nearest tenth.

• 22 in

• 44 in

• 11 in

• 21.9 in

Tags

CCSS.7.G.B.4

If the circumference is 69.1 cm, find the radius of the circle. Round your answer to the nearest tenth.

• 22 cm

• 5.5 cm

• 11.8 cm

• 11 cm

Tags

CCSS.7.G.B.4

If the circumference is 10π km, find the radius of the circle.

• 8 km

• 5 km

• 10 km

• 6 km

Tags

CCSS.7.G.B.4

If the circumference is 16π km, find the diameter of the circle.

• 22 m

• 8 m

• 10 m

• 16 m

Tags

CCSS.7.G.B.4

If the circumference is 64.1 cm, find the diameter of the circle. Round your answer to the nearest tenth.

• 22.4 cm

• 40.8 cm

• 20.4 cm

• 10.2 cm

Tags

CCSS.7.G.B.4

If the radius is 2.4 ft, find the diameter of the circle.

• 1.2 ft

• 4.8 ft

• 7.5 ft

• 15.1 ft

Tags

CCSS.7.G.B.4

Find the area of the circle. Round your answer to the nearest tenth.

• 467.6 cm²

• 452.4 cm²

• 452.4 cm

• 75.4 cm²

Tags

CCSS.7.G.B.4