Circumference
Area
Radius
Diameter
Misc
100
Find the circumference of the circle in terms of pi.
26pi
100
A certain coin is a circle with diameter 18mm. What is the EXACT area of the face of the coin?
81pi
100
How do you find the radius of a circle?
Divide the diameter by 2
100
How do you find the diameter of a circle?
Multiply the radius by two
100
What two numbers do you need to find the circumference of a circle?
Pi and Diameter
200
What is the diameter of a circle with a circumference of 
11.27
200
The area of a circular window is 113.04 square inches. What is the diameter of the window? Use 3.14 for π.
12
200
What is the radius of a circle with a diameter of 20 inches?
10 inches
200
Find the diameter of a circle if the radius is 30 centimeters
60 centimeters
200
When finding area, what type of units do you use in your answer?
units2
300
How much fencing is required to enclose a circular garden whose radius is 14 m? Use 3.14 for pi.
87.92
300
A water sprinkler sends water out in a circular pattern. What area will be watered if the radius of the spray from the sprinkler is 11 ft?
379.94
300
What is the radius of a circle with a diameter of 100 centimeters?
50 centimeters
300
The radius of the circle is 400 inches. What is the diameter of the circle?
800 inches
300
A tablecloth that covers the top of a circular table would be an example of the table's what?
area
400
What is the diameter of a circle with a circumference of 132 ft? Use 3.14 for pi. Round your answer to the nearest whole number.
42
400
The circumference of a circular patio is 53.38 feet. What is the area of the patio? Use 3.14 for an approximation for pi.
226.865
400
The circumference of a circle is 150 feet. What is the radius of the circle? Use 3.14 for pi
23.9 feet
400
What is the diameter of this circle?
14 miles
400
What type of answer is an EXACT answer when working with circles?
In terms of pi
500
What is the difference between the circumference of the outer circle and the circumference of the inner circle? Leave your answer in terms of π.
4 π m
500
Ellie needs new grass in the circular pen for her chickens? What is the area of the pen? Use 3.14 for pi
2461.76 square feet
500
The diameter of a circle is 52.2 feet. What is the circle's radius?
26.1 feet
500
The radius of a circle is 22.2 inches. What is the diameter of the circle?
44.4 inches
500
Besides 3.14, what is the other approximation that is used for pi?
22/7