6302.1056=4*3.14r^2

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Solution for 6302.1056=4*3.14r^2 equation: 


Simplifying
6302.1056 = 4 * 3.14r2

Multiply 4 * 3.14
6302.1056 = 12.56r2

Solving
6302.1056 = 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.
6302.1056 + -12.56r2 = 12.56r2 + -12.56r2

Combine like terms: 12.56r2 + -12.56r2 = 0.00
6302.1056 + -12.56r2 = 0.00

Add '-6302.1056' to each side of the equation.
6302.1056 + -6302.1056 + -12.56r2 = 0.00 + -6302.1056

Combine like terms: 6302.1056 + -6302.1056 = 0.0000
0.0000 + -12.56r2 = 0.00 + -6302.1056
-12.56r2 = 0.00 + -6302.1056

Combine like terms: 0.00 + -6302.1056 = -6302.1056
-12.56r2 = -6302.1056

Divide each side by '-12.56'.
r2 = 501.76

Simplifying
r2 = 501.76

Take the square root of each side:
r = {-22.4, 22.4}

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