Circles and Semicircles

If my circumference is 50.24 ft, what is my radius? Round to nearest hundredth. Don't forget to label.

A pan size pizza has a circumference of 37.68 inches. What is the radius (round to nearest whole number)? Find the area the pizza covers (round to nearest hundredth). Don't forget to think about labels.

• 6 inches and 113.09 square inches

• 12 inches and 452.39.04 square inches

• 12 inches and 49.70 square inches

• 6 inches and 24.85 square inches

What is the perimeter of the semi-circle? Round to the nearest hundredth. Don't forget to label.

A circular table top has an area of 324 square inches. Which measurement is closest to the radius of the table top in inches? Round to the nearest hundredth. Don't forget to label.

The area of a circle is 12.56 yd². What is the circle's diameter? Round to the nearest whole number.

What is the diameter of a circle if its area is 360 in² . Round to the nearest hundredth. Don't forget to label.

Jesse used rope to stake a circular region in which to plant a garden. The diameter of the region is 20 inches. What is the approximate area of half of the garden? Round to the nearest hundredth. Don't forget to label - square inches or sq in)

Find the circumference of a circle with a radius of 12.5 mm. Round to nearest hundredth. Don't forget to label.

The distance around a circular track is 31.4 yards. What Is the radius of the track? Round to the nearest hundredth. Don't forget to label.

A circular track with a diameter of 60 meters is shown. Shaleah walked around the track 4 times. Approximately how many meters did she walk? Round to the nearest hundredth. Don't forget to label.