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What is the circumference of a circle with a 10in radius?
The circumference of a circle with a 10in radius is: about 62.83 inches. (r x 2 x pi = circumference).
Is it possible to draw a circle with a circumference of 30in inside a square with an area of 100 in2?
No. To biggest circle you could draw in a square with 100in would be one with a radius of 5in (10in diameter) since the squares dimensions will be 10in x 10in. So, working out the circumference with this radius: 2 x pi x 5 = 31.4 inches, which is greater than the 30 inches you want.
Would a 8 inch circle pizza fit into a 8 inch square box?
Is the 8 inches of the pizza the diameter or circumference? Is the 8-inches of the box the area of side length? If the diameter if the pizza and the side length of the box are both 8-inches, then the pizza will barely fit. If the circumference of the pizza is 8 inches, that means that the diameter is 8/pi = 2.546..... and that would fit in a box with side lengths of 8-inches. If the box's area is 8-inches, that means the side lengths are the square root of 8=2.828.... A pizza of diameter 8-inches won't fit, but a pizza of circumference of 8-inches will.
How do you get diameter from circumference?
Circumference is Pi x Diameter so do Circumference divided by Pi to get the diameter :)
If you have your circumference how do you find the diameter?
diameter = circumference/pi
