Areas and Circumference of Circles and Semicircles

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

Sadie has 38 inches of fringe to sew around a circular pillow. What is the diameter of the largest pillow she can use? 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)

What is the area of this circle?

• 6082.12

• 1519.76

• 1893.14

• 1292.92

Find the area of this Semicircle with a diameter of 18 cm

• 254.34 cm

• 127.17 cm

• 56.52 cm

• 28.26 cm

Shring's dining room table is round and has a radius of 4.5 feet. What is the tabletop's area?

• 63.585 ft²

• 68.345 ft²

• 64.585 ft²

• 61.345 ft²

Find the perimeter of the semicircular. Round your answer to the nearest hundredth.

• 23.13 m

• 28.26 m

• 14.13 m

• 56.52 m