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Simplifying
3419.46 = 3.14r2
Solving
3419.46 = 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.
3419.46 + -3.14r2 = 3.14r2 + -3.14r2
Combine like terms: 3.14r2 + -3.14r2 = 0.00
3419.46 + -3.14r2 = 0.00
Add '-3419.46' to each side of the equation.
3419.46 + -3419.46 + -3.14r2 = 0.00 + -3419.46
Combine like terms: 3419.46 + -3419.46 = 0.00
0.00 + -3.14r2 = 0.00 + -3419.46
-3.14r2 = 0.00 + -3419.46
Combine like terms: 0.00 + -3419.46 = -3419.46
-3.14r2 = -3419.46
Divide each side by '-3.14'.
r2 = 1089
Simplifying
r2 = 1089
Take the square root of each side:
r = {-33, 33}
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