555.4346=3.14*r^2

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Solution for 555.4346=3.14*r^2 equation: 


Simplifying
555.4346 = 3.14r2

Solving
555.4346 = 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.
555.4346 + -3.14r2 = 3.14r2 + -3.14r2

Combine like terms: 3.14r2 + -3.14r2 = 0.00
555.4346 + -3.14r2 = 0.00

Add '-555.4346' to each side of the equation.
555.4346 + -555.4346 + -3.14r2 = 0.00 + -555.4346

Combine like terms: 555.4346 + -555.4346 = 0.0000
0.0000 + -3.14r2 = 0.00 + -555.4346
-3.14r2 = 0.00 + -555.4346

Combine like terms: 0.00 + -555.4346 = -555.4346
-3.14r2 = -555.4346

Divide each side by '-3.14'.
r2 = 176.89

Simplifying
r2 = 176.89

Take the square root of each side:
r = {-13.3, 13.3}

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