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Simplifying
104.9546 = 3.14r2
Solving
104.9546 = 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.
104.9546 + -3.14r2 = 3.14r2 + -3.14r2
Combine like terms: 3.14r2 + -3.14r2 = 0.00
104.9546 + -3.14r2 = 0.00
Add '-104.9546' to each side of the equation.
104.9546 + -104.9546 + -3.14r2 = 0.00 + -104.9546
Combine like terms: 104.9546 + -104.9546 = 0.0000
0.0000 + -3.14r2 = 0.00 + -104.9546
-3.14r2 = 0.00 + -104.9546
Combine like terms: 0.00 + -104.9546 = -104.9546
-3.14r2 = -104.9546
Divide each side by '-3.14'.
r2 = 33.42503185
Simplifying
r2 = 33.42503185
Take the square root of each side:
r = {-5.781438562, 5.781438562}
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