6079.04=4*3.14*r^2

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Solution for 6079.04=4*3.14*r^2 equation: 


Simplifying
6079.04 = 4 * 3.14r2

Multiply 4 * 3.14
6079.04 = 12.56r2

Solving
6079.04 = 12.56r2

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-12.56r2' to each side of the equation.
6079.04 + -12.56r2 = 12.56r2 + -12.56r2

Combine like terms: 12.56r2 + -12.56r2 = 0.00
6079.04 + -12.56r2 = 0.00

Add '-6079.04' to each side of the equation.
6079.04 + -6079.04 + -12.56r2 = 0.00 + -6079.04

Combine like terms: 6079.04 + -6079.04 = 0.00
0.00 + -12.56r2 = 0.00 + -6079.04
-12.56r2 = 0.00 + -6079.04

Combine like terms: 0.00 + -6079.04 = -6079.04
-12.56r2 = -6079.04

Divide each side by '-12.56'.
r2 = 484

Simplifying
r2 = 484

Take the square root of each side:
r = {-22, 22}

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