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Simplifying
5306.66 = 3.14r2
Solving
5306.66 = 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.
5306.66 + -3.14r2 = 3.14r2 + -3.14r2
Combine like terms: 3.14r2 + -3.14r2 = 0.00
5306.66 + -3.14r2 = 0.00
Add '-5306.66' to each side of the equation.
5306.66 + -5306.66 + -3.14r2 = 0.00 + -5306.66
Combine like terms: 5306.66 + -5306.66 = 0.00
0.00 + -3.14r2 = 0.00 + -5306.66
-3.14r2 = 0.00 + -5306.66
Combine like terms: 0.00 + -5306.66 = -5306.66
-3.14r2 = -5306.66
Divide each side by '-3.14'.
r2 = 1690.019108
Simplifying
r2 = 1690.019108
Take the square root of each side:
r = {-41.109841985, 41.109841985}
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