Circles & Semicircles - Area & Circumference
Find the area of a SEMICIRCLE with a radius of 3.3 feet.
17.1 square feet
If the circumference of a circle is 70 cm, what is the diameter?
22.3 cm
Find the area of a SEMICIRCLE with a radius of 15 feet.
353.4 square feet
What is the diameter of circle that has a radius of 21 cm?
42 cm
Find the area of a SEMICIRCLE with a radius of 220 feet.
76026.5 square feet
If the diameter of a circle is 10 cm, what is the area?
78.5 square centimeters
What do we call the part of the circle shown?
Radius
If the circumference of a circle is 44 inches, what is the diameter?
14 in.
Find the perimeter of a SEMICIRCLE with a radius of 90 feet.
462.7 ft
What is the radius of a circle that has a diameter of 10.8 cm?
5.4 cm
Find the perimeter of a SEMICIRCLE with a radius of 13 feet.
66.8 ft
What is the radius of a circle that has a diameter of 45 inches?
22.5 inches
If the diameter of a circle is 9 cm, what is the circumference?
28.3 cm
Find the circumference of a circle with a radius of 5 m.
31.4 m
If the circumference of a circle is 200 mm, what is the radius?
31.8 mm
What is the diameter of a circle that has a radius of 58.9 cm?
117.8 cm
If the circumference of a circle is 74.88 cm, what is the diameter?
12 cm
Find the perimeter of a SEMICIRCLE with a radius of 27 feet.
138.8 ft
Find the area of a SEMICIRCLE with a diameter of 66 feet.
1710.6 square feet
Find the area of a SEMICIRCLE with a radius of 67.2 feet.
1773.4 square feet
If the diameter of a circle is 5 cm, what is the area?
19.63 square centimeters
Find the area of a SEMICIRCLE with a radius of 35 feet.
1924.2 square feet
If the radius of a circle is 8 inches, what is the area?
201.1 square inches
Find the area of a SEMICIRCLE with a diameter of 24 feet.
226.2 square feet
If the radius of a circle is 4 cm, what is the circumference?
25.1 cm
Find the area of a SEMICIRCLE with a diameter of 9 feet.
31.8 square feet
Find the perimeter of a SEMICIRCLE with a radius of 63 feet.
323.9 ft.
Find the perimeter of a SEMICIRCLE with a diameter of 18 ft.
46.3 ft
If the radius of a circle is 4 inches, what is the area?
50.3 square inches
Find the area of a SEMICIRCLE with a diameter of 12 feet.
56.4 square feet
Find the circumference of a circle with a diameter of 18 inches.
56.5 inches
What is the diameter of a circle that has a radius of 3.2 cm?
6.4 cm
Find the perimeter of a SEMICIRCLE with a diameter of 24 m.
61.7 m
If the circumference of a circle is 200 mm, what is the diameter?
63.7 mm
The distance around a circle
Circumference
What do we call the part of the circle shown?
Diameter
