Circles
Area & Perimeter
Volume
Wildcard
100
Find the circumference of a circle with a radius of 8 inches (round to three decimal places)
50.265 inches
100
Calculate the area.
120 units2
100
Calculate the volume.
2617.994 cm3
100
A cylinder with volume of 2309 ft3 has a height of 15 feet. Find the radius of the cylinder’s base.
7 ft
200
Find the area of the circle with a diameter of 15 meters (round to three decimal places)
176.715 m2
200
Calculate the perimeter. 
44 cm
200
The volume of a cone is 150 cm3, and the height is 12 cm. What is the radius of the cone?
3.45 cm
200
How many times larger is the volume of a cylinder if the height is multiplied by 3?
3 times larger
300
Find the area of a circle with a circumference of 98.6 ft (round to three decimal places)
773.681 ft2
300
Calculate the area.
106 cm2
300
A rectangular garden bed is made of solid concrete and measures 10 feet long, 5 feet wide, and 2 feet high. If concrete costs $50 per cubic foot, how much does it cost to build the garden bed?
$5000
300
Find the area of the shaded region. Round to three decimal places.
1055.575 cm2
400
Your car's wheel has a radius of 15 inches. You take a short drive and your wheel rotates 120 times. How far did you travel? (round to three decimal places)
11309.734 in
400
Calculate the perimeter.
27.22 m
400
The height of a traffic light is 50in, it's width is 16in and it's depth is 13in. The three lights combined have a diameter of of 24in evenly distributed between the three and their heights are 9in. Find the total volume.
11757.168 in3
400
A student has a basketball with a radius that is 4 times larger than a rubber ball. How many times more air will the basketball hold than the rubber ball?
64 times more air