Circle Geometry Quiz

The radius of a circle is 8 ft. Find its circumference in terms of π.

• 8π ft

• 16π ft

• 32π ft

• 64π ft

The radius of a circle is 7 ft. Find its circumference in terms of π.

• 14π ft

• 21π ft

• 28π ft

• 35π ft

The diameter of a circle is 9 cm. Find its circumference in terms of π.

• 9π cm

• 18π cm

• 27π cm

• 36π cm

The diameter of a circle is 8 m. Find its circumference in terms of π.

• 8π m

• 16π m

• 4π m

• 12π m

The diameter of a circle is 10 ft. Find the circumference to the nearest tenth.

• 31.4 ft

• 30.0 ft

• 32.0 ft

• 28.5 ft

The radius of a circle is 10.7 in. What is the circumference to the nearest tenth?

• 67.2 in

• 33.6 in

• 21.4 in

• 42.8 in

The diameter of a circle is 5 m. Find the circumference to the nearest tenth.

• 15.7 m

• 16.0 m

• 14.5 m

• 17.2 m

The radius of a circle is 1.8 m. Find the circumference to the nearest tenth.

• 11.3 m

• 10.2 m

• 12.6 m

• 9.4 m

The diameter of a circle is 12 cm. Find its area in terms of π.

• 36π cm²

• 72π cm²

• 144π cm²

• 24π cm²

The diameter of a circle is 6 m. Find its area in terms of π.

• 9π m²

• 12π m²

• 18π m²

• 36π m²