the square root is 1.77 and pi equals 3.14159265..... and so on. But most people just say pi is 3.14
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The area is equal to pi times the radius squared, so dividing both sides by pi and taking the square root of both sides, we get that the radius is equal to the square root of 225/pi, or about 8.463.
Well the Square root of pi is 1.77245 so double that is...3.5449 hope this helps
Area = pi * (radius^2) Where (radius^2) is radius squared, or radius to the second power. do some algebraic steps: Area / pi = radius^2 radius^2 = Area / pi square root (radius^2) = square root (Area / pi) radius = (plus or minus) square root (Area / pi) If you are not working with imaginary numbers then radius = square root (Area / pi)
π is a transcendental number, and any square root of a a transcendental is immediately transcendental.
It is: 2*radius = square root of (616/pi) = 28 inches to the nearest integer