Radius
Diameter
Area
Circumference
Random
100
The diameter of a circle is 36 centimeters. Find the radius.
18 centimeters
100
What is the diameter?
2 m
100
Find the area.
3.14 m2
100
Find the circumference.
6.28 m
100
What is the formula to find the area of a circle?
A = 3.14 * r2
200
The diameter of a circle is 84 centimeters. Find the radius.
42 centimeters
200
What is the diameter?
12 mm
200
What is the area?
12.56 ft2
200
Find the circumference.
12.56 ft
200
A baker is using two circular pans. The larger pan has a diameter of 14 inches. The smaller pan has a diameter of 8 inches. How much greater is the circumference of the larger pan than that of the smaller pan?
18.84 inches
300
The diameter of a circle is 17 feet. Find the radius.
8.5 feet
300
The radius of a circle is 13.5 inches. Find the diameter.
27 inches
300
What is the area?
3,846.5 in2
300
Find the circumference.
219.8 in
300
You are enclosing a circular flower garden with a fence that costs $2.99 per foot. The radius of the garden is 8 feet. How much will it cost to buy the fence? Round to the nearest cent.
$150.22
400
What is the radius?
3.5 cm
400
The radius of a circle is 17.25 inches. Find the diameter.
34.5 inches
400
Find the area of a circle with a radius of 12 inches.
452.16 inches2
400
Find the circumference of a circle with a radius of 12 inches.
75.36 inches
400
Find the area of the semicircle. Round to the nearest hundredth.
19.23 cm2
500
What is the radius?
0.75 ft
500
The radius of a circle is 52 inches. Find the diameter.
104 inches
500
Find the area of a circle with a diameter of 3.5 feet. Round to the nearest hundredth.
9.62 feet2
500
Find the circumference of a circle with a diameter of 3.5 feet.
10.99 feet
500
Find the perimeter of the semicircle.
77.1 in