Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Circumference and Area of Circle
0
%
0
0
0
Back
Restart
The commemorative 1988 plate celebrating Mickey Mouse's 60th birthday is 9 inches in diameter. What is the CIRCUMFERENCE of the plate?
28.26 inches
Oops!
Okay!
What is the diameter of this circle?
64 centimeters
Oops!
Okay!
What is the diameter of a circle?
It's a line that goes from one edge of a circle through the center of a circle touching the opposite edge.
Oops!
Okay!
What is the formula for finding the area of a circle?
Pi (3.14) times radius times radius
Oops!
Okay!
What is the area of this circle?
3215.36 square centimeters or 3215.36 cm^2
Oops!
Okay!
The diameter of a circle is 7.5 miles. What is the unit of measurement when you find the area of the circle?
square miles or miles^2. (^2 means "to the power of 2.")
Oops!
Okay!
What is the diameter of a circle with a radius of 3.25 feet?
6.5 feet
Oops!
Okay!
The radius of a circle is 130 meters. What is the unit of measurement used for the circumference of this circle?
meters
Oops!
Okay!
What's the formula for finding the circumference of a circle?
Multiply 3.14 times the diameter of the circle
Oops!
Okay!
Find the circumference of a circle with a diameter of 12 inches.
37.68 inches
Oops!
Okay!
The diameter of the window is 5 feet. What is its circumference?
15.7 feet
Oops!
Okay!
What is the radius of a circle when the diameter is 18 inches?
9 inches
Oops!
Okay!
The commemorative 1988 plate celebrating Mickey Mouse's 60th birthday is 9 inches in diameter. What is the area of the plate?
63.585 square inches (63.585 in^2)
Oops!
Okay!
What's the area of a circle with a radius of 5 miles?
78.5 square miles (78.5 mi^2)
Oops!
Okay!
The diameter of the window is 5 feet. What is its area?
19.625 square feet (19.625 ft^2)
Oops!
Okay!
What do you call this symbol?
The symbol is the Greek letter, pi.
Oops!
Okay!
What is the circumference of the circle?
56.52 inches
Oops!
Okay!
What is the approximate value often used for pi?
3.14
Oops!
Okay!
Where is the circumference of a circle?
The circumference of a circle is the distance around the circle.
Oops!
Okay!
The Jeep spare tire cover has a radius of 16 inches. What is the circumference of the cover?
100.48 inches or approximately 8 feet
Oops!
Okay!
Pi is equal to the ratio of the ____________ of a circle divided by its ____________.
CIRCUMFERENCE divided by its DIAMETER
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies