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Simplifying
175.84 = 3.14r2
Solving
175.84 = 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.
175.84 + -3.14r2 = 3.14r2 + -3.14r2
Combine like terms: 3.14r2 + -3.14r2 = 0.00
175.84 + -3.14r2 = 0.00
Add '-175.84' to each side of the equation.
175.84 + -175.84 + -3.14r2 = 0.00 + -175.84
Combine like terms: 175.84 + -175.84 = 0.00
0.00 + -3.14r2 = 0.00 + -175.84
-3.14r2 = 0.00 + -175.84
Combine like terms: 0.00 + -175.84 = -175.84
-3.14r2 = -175.84
Divide each side by '-3.14'.
r2 = 56
Simplifying
r2 = 56
Take the square root of each side:
r = {-7.483314774, 7.483314774}
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