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Simplifying
7451.5968 = 3.14r2
Solving
7451.5968 = 3.14r2
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '-3.14r2' to each side of the equation.
7451.5968 + -3.14r2 = 3.14r2 + -3.14r2
Combine like terms: 3.14r2 + -3.14r2 = 0.00
7451.5968 + -3.14r2 = 0.00
Add '-7451.5968' to each side of the equation.
7451.5968 + -7451.5968 + -3.14r2 = 0.00 + -7451.5968
Combine like terms: 7451.5968 + -7451.5968 = 0.0000
0.0000 + -3.14r2 = 0.00 + -7451.5968
-3.14r2 = 0.00 + -7451.5968
Combine like terms: 0.00 + -7451.5968 = -7451.5968
-3.14r2 = -7451.5968
Divide each side by '-3.14'.
r2 = 2373.12
Simplifying
r2 = 2373.12
Take the square root of each side:
r = {-48.714679512, 48.714679512}
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