Circles & Semicircles

56.4 square feet

Find the area of a SEMICIRCLE with a diameter of 12 feet.

226.2 square feet

Find the area of a SEMICIRCLE with a diameter of 24 feet.

1710.6 square feet

Find the area of a SEMICIRCLE with a diameter of 66 feet.

31.8 square feet

Find the area of a SEMICIRCLE with a diameter of 9 feet.

353.4 square feet

Find the area of a SEMICIRCLE with a radius of 15 feet.

76026.5 square feet

Find the area of a SEMICIRCLE with a radius of 220 feet.

17.1 square feet

Find the area of a SEMICIRCLE with a radius of 3.3 feet.

1924.2 square feet

Find the area of a SEMICIRCLE with a radius of 35 feet.

1773.4 square feet

Find the area of a SEMICIRCLE with a radius of 67.2 feet.

56.5 inches

Find the circumference of a circle with a diameter of 18 inches.

31.4 m

Find the circumference of a circle with a radius of 5 m.

46.3 ft

Find the perimeter of a SEMICIRCLE with a diameter of 18 ft.

61.7 m

Find the perimeter of a SEMICIRCLE with a diameter of 24 m.

66.8 ft

Find the perimeter of a SEMICIRCLE with a radius of 13 feet.

138.8 ft

Find the perimeter of a SEMICIRCLE with a radius of 27 feet.

323.9 ft.

Find the perimeter of a SEMICIRCLE with a radius of 63 feet.

462.7 ft

Find the perimeter of a SEMICIRCLE with a radius of 90 feet.

63.7 mm

If the circumference of a circle is 200 mm, what is the diameter?

14 in.

If the circumference of a circle is 44 inches, what is the diameter?

22.3 cm

If the circumference of a circle is 70 cm, what is the diameter?

78.5 square centimeters

If the diameter of a circle is 10 cm, what is the area?

19.63 square centimeters

If the diameter of a circle is 5 cm, what is the area?

28.3 cm

If the diameter of a circle is 9 cm, what is the circumference?

25.1 cm

If the radius of a circle is 4 cm, what is the circumference?

50.3 square inches

If the radius of a circle is 4 inches, what is the area?

201.1 square inches

If the radius of a circle is 8 inches, what is the area?

Circumference

The distance around a circle

Diameter

What do we call the part of the circle shown

Chord

What do we call the part of the circle shown?

Radius

What do we call the part of the circle shown?

6.4 cm

What is the diameter of a circle that has a radius of 3.2 cm?

117.8 m

What is the diameter of a circle that has a radius of 58.9 m?

42 cm

What is the diameter of circle that has a radius of 21 cm?

5.4 ft

What is the radius of a circle that has a diameter of 10.8 ft?

22.5 inches

What is the radius of a circle that has a diameter of 45 inches?