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Q: What is the circumference of a circle that has a radius of 100 feet?

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A circle with a radius of 100 units has a circumference of 628.32 units.

200*pi feet, or approximately 628 feet. The formula for the circumference of a circle is C = 2*pi*r.

If the area is a circle, the circumference is about 7,400 feet.

100*pi≈314 feet

divide the circumference by pie (3.14) and the answer would be the radius. for example circumference = 314 pie = 3.14 so 314 divide by 3.14 = 100 so the radius = 100

The radius of a circle is 1/2 of its diameter

100 feet.

100/360 of the circumference of the circle = 10*pi inches

100. The radius is 1/2 of the diameter.

The diameter of a circle if its circumference is 100 is: 31.831

If you double the radius of a circle, you also double its circumference.It's now 200% of what it was originally ... an increase of 100% .See rigorous proof below.===========================================Let radius = rCircumference = 2πrDouble the radius:New radius = 2rNew circumference = 4πrIncrease in circumference = 4πr - 2πr = 2πr = (2πr/2πr) X 100%=100%

The formula for finding the area of a circle is pi times the radius squared. Let's find the radius of the circle. 100 pi/ pi= 100. Squarerooted, the radius is 10. The formula for finding the circumference of a circle is 2 times pi times the radius. So, plug in: 2 times pi times 10 equals 20 pi! Your final answer: 20 pi (or, if you use decimals, approximately 62.8)

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