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Simplifying
244.92 = 3.14r2
Solving
244.92 = 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.
244.92 + -3.14r2 = 3.14r2 + -3.14r2
Combine like terms: 3.14r2 + -3.14r2 = 0.00
244.92 + -3.14r2 = 0.00
Add '-244.92' to each side of the equation.
244.92 + -244.92 + -3.14r2 = 0.00 + -244.92
Combine like terms: 244.92 + -244.92 = 0.00
0.00 + -3.14r2 = 0.00 + -244.92
-3.14r2 = 0.00 + -244.92
Combine like terms: 0.00 + -244.92 = -244.92
-3.14r2 = -244.92
Divide each side by '-3.14'.
r2 = 78
Simplifying
r2 = 78
Take the square root of each side:
r = {-8.831760866, 8.831760866}
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