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Simplifying
50 = 3.14159r2
Solving
50 = 3.14159r2
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '-3.14159r2' to each side of the equation.
50 + -3.14159r2 = 3.14159r2 + -3.14159r2
Combine like terms: 3.14159r2 + -3.14159r2 = 0.00000
50 + -3.14159r2 = 0.00000
Add '-50' to each side of the equation.
50 + -50 + -3.14159r2 = 0.00000 + -50
Combine like terms: 50 + -50 = 0
0 + -3.14159r2 = 0.00000 + -50
-3.14159r2 = 0.00000 + -50
Combine like terms: 0.00000 + -50 = -50
-3.14159r2 = -50
Divide each side by '-3.14159'.
r2 = 15.91550775
Simplifying
r2 = 15.91550775
Take the square root of each side:
r = {-3.989424489, 3.989424489}
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