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If the the diameter of the large circle is 36 cm, what is the radius of each of the small circles?

• 12 cm

• 18 cm

• 24 cm

• 6 cm

I measured from the center of the wheel to the outside edge and it was 62.2 cm. What is the circumference of the wheel? Use 3.14 for pi.

• 62.2 cm

• 195.308 cm

• 124.4 cm

• 390.616 cm

I wrapped a tape measure around the trunk of the tree and it was 10 feet. What is the diameter of the tree? Use 3.14 for pi. Round to the nearest hundredth.

• 1.59 ft

• 31.4 ft

• 3.18 ft

• 10.11 ft

The stained glass window is a semicircle. What is the distance around the window? Use 3.14 for pi.

• 40.82 inches

• 66.82 inches

• 81.64 inches

• 107.64 inches

A circular pie has an area of 706.5 cm². What is the radius of the pie?

• 225 cm

• 30 cm

• 15 cm

• 112.5 cm

what is the area of this semicircle if the diameter is 8 cm? Use 3.14 for pi.

• 25.12cm

• 50.27cm

• 200.96cm

• none of the above

• 16

• 8

Given that the circumference of a circle is 100, what is the radius and the diameter?

Could the following dimensions exist for a circle? Radius=8 and Diameter=12

• Yes

• No