116318.16=3.14*r^2

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Solution for 116318.16=3.14*r^2 equation: 


Simplifying
116318.16 = 3.14r2

Solving
116318.16 = 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.
116318.16 + -3.14r2 = 3.14r2 + -3.14r2

Combine like terms: 3.14r2 + -3.14r2 = 0.00
116318.16 + -3.14r2 = 0.00

Add '-116318.16' to each side of the equation.
116318.16 + -116318.16 + -3.14r2 = 0.00 + -116318.16

Combine like terms: 116318.16 + -116318.16 = 0.00
0.00 + -3.14r2 = 0.00 + -116318.16
-3.14r2 = 0.00 + -116318.16

Combine like terms: 0.00 + -116318.16 = -116318.16
-3.14r2 = -116318.16

Divide each side by '-3.14'.
r2 = 37044

Simplifying
r2 = 37044

Take the square root of each side:
r = {-192.468179188, 192.468179188}

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