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Simplifying
24.6176 = 3.14r2
Solving
24.6176 = 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.
24.6176 + -3.14r2 = 3.14r2 + -3.14r2
Combine like terms: 3.14r2 + -3.14r2 = 0.00
24.6176 + -3.14r2 = 0.00
Add '-24.6176' to each side of the equation.
24.6176 + -24.6176 + -3.14r2 = 0.00 + -24.6176
Combine like terms: 24.6176 + -24.6176 = 0.0000
0.0000 + -3.14r2 = 0.00 + -24.6176
-3.14r2 = 0.00 + -24.6176
Combine like terms: 0.00 + -24.6176 = -24.6176
-3.14r2 = -24.6176
Divide each side by '-3.14'.
r2 = 7.84
Simplifying
r2 = 7.84
Take the square root of each side:
r = {-2.8, 2.8}
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