7G Math HW#11: Lesson 11.6 and 11.7

What is the diameter of the circle?

• 2.4 cm

• 4.8 cm

• 48 cm

• 7.84 cm

What is the radius of the circle?

• 25 cm

• 12.5 cm

• 50 cm

• 78.5 cm

What is the radius of the circle if the diameter is 11.7 inches?

• 36.74 in

• 11.7 in

• 5.85 in

• 234 in

Find the circumference of the circle. Use pi = 3.14 and round your answer in nearest hundredths.

• 314 cm

• 31.4 cm

• 10 cm

• 62.8 cm

Solve for circumference of the circle. Use pi = 3.14 and round your answer in nearest hundredths.

• $\approx39.56\ cm$

• $\approx12.6\ cm$

• $\approx9.89\ cm$

• $\approx126\ cm$

A giant monocycle wheel has a diameter of 9 feet. What is the circumference of the wheel?

• 18.84 ft

• 28.26 ft

• 9.42 ft

• 27 ft

What is the area of the circle? Use pi = 3.14 and round your answer in nearest hundredths.

• $\approx16.28\ ft^2$

• $\approx26.38\ ft^2$

• $\approx221.56\ ft^2$

• $\approx22,155.84ft^2$

Solve for the area of the circle. Use pi = 3.14 and round your answer in nearest hundredths.

• $\approx36.74\ in^2$

• $\approx73.48\ in^2$

• $\approx1,719.34\ in^2$

• $\approx429.83\ in^2$

Find the area of the clock whose diameter is 24 cm.

• $\approx452.16\ cm^2$

• $\approx75.36\ cm^2$

• $\approx37.68\ cm^2$

• $\approx753.6\ cm^2$

The coin pictured has a diameter of 26.5mm. What is the approximate area of one side of the coin?

• $\approx41.61\ mm^2$

• $\approx83.21\ mm^2$

• $\approx551.27\ mm^2$

• $\approx2,205.07\ mm^2$