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Simplifying
555.4346 = r2 * 3.14
Reorder the terms for easier multiplication:
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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