Solve for Radius
Solve for Diameter
Solve for Circumference
Solve for Area
True or False
100
What is the radius of a circle with a diameter of 27.5 inches?
13.75 inches
100
What is the diameter of a circle with a circumference of 10.99 feet?
3.5 feet
100
What is the circumference of a circle with a radius of 5 inches?
31.4 inches
100
What is the area of a circle with a radius of 8 inches?
200.96 square inches
100
To find the diameter of a circle, divide the radius by 2.
False.
Diameter is 2 x the radius.
200
What is the radius of a circle with a circumference of 26.69 cm?
4.25 cm
200
The circumference of a circular rug is 24.8 meters. What is the diameter of the rug? Round to the nearest tenth.
7.9 meters
200
Find the circumference of the circle shown.
21.98 cm
200
What is the area of a circle with a diameter of 26 inches?
530.66 square inches
200
The circumference divided by the diameter gives you Pi.
True
300
What is the radius of a circle with an area of 28.26 square feet?
3 feet
300
The area of a circle is 50.24 square meters. What is the diameter of the circle?
8 meters
300
Find the circumference of the circle below.
59.66 cm
300
What is the area of a circle with a circumference of 25.12 meters?
50.24 square meters
300
The circumference of a circle is less than the diameter.
False.
400
A tire completes 3 full rotations and travels 339.12 inches. What is the radius of the tire?
18 inches
400
A bicycle wheel makes 5 full rotations and travels 235.5 inches. What is the diameter of the wheel?
15 inches
400
Find the perimeter of the figure.
51.39 feet
400
Find the area of the figure.
176.3775 feet squared
400
To find the diameter of a circle when given the area, you must divide by Pi first, then take the square root of that number. This is your answer.
False.
That number would be the radius. You would have to multiply by 2 to get the diameter.