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Simplifying
102.0186 = 3.14r2
Solving
102.0186 = 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.
102.0186 + -3.14r2 = 3.14r2 + -3.14r2
Combine like terms: 3.14r2 + -3.14r2 = 0.00
102.0186 + -3.14r2 = 0.00
Add '-102.0186' to each side of the equation.
102.0186 + -102.0186 + -3.14r2 = 0.00 + -102.0186
Combine like terms: 102.0186 + -102.0186 = 0.0000
0.0000 + -3.14r2 = 0.00 + -102.0186
-3.14r2 = 0.00 + -102.0186
Combine like terms: 0.00 + -102.0186 = -102.0186
-3.14r2 = -102.0186
Divide each side by '-3.14'.
r2 = 32.49
Simplifying
r2 = 32.49
Take the square root of each side:
r = {-5.7, 5.7}
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