102.0186=3.14r^2

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Solution for 102.0186=3.14r^2 equation: 


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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