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Simplifying
3087.3736 = 3.14r2
Solving
3087.3736 = 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.
3087.3736 + -3.14r2 = 3.14r2 + -3.14r2
Combine like terms: 3.14r2 + -3.14r2 = 0.00
3087.3736 + -3.14r2 = 0.00
Add '-3087.3736' to each side of the equation.
3087.3736 + -3087.3736 + -3.14r2 = 0.00 + -3087.3736
Combine like terms: 3087.3736 + -3087.3736 = 0.0000
0.0000 + -3.14r2 = 0.00 + -3087.3736
-3.14r2 = 0.00 + -3087.3736
Combine like terms: 0.00 + -3087.3736 = -3087.3736
-3.14r2 = -3087.3736
Divide each side by '-3.14'.
r2 = 983.24
Simplifying
r2 = 983.24
Take the square root of each side:
r = {-31.356657985, 31.356657985}
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