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Math and Arithmetic
Units of Measure

How do you get the radius of a circle with a circumference of 10.99m?


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May 11, 2010 10:05PM

First, divide the circumference by pi (about 3.1416). This gives you the circle's diameter. Then divide the diameter by two to get the radius:

  1. 10.99m / 3.1416 = 3.5m diameter
  2. 3.5m / 2 = 1.75 meter radius