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Simplifying
3.14r2 * 15.33333333333333 = 0
Reorder the terms for easier multiplication:
3.14 * 15.33333333333333r2 = 0
Multiply 3.14 * 15.33333333333333
48.14666667r2 = 0
Solving
48.14666667r2 = 0
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Divide each side by '48.14666667'.
r2 = 0
Simplifying
r2 = 0
Take the square root of each side:
r = {0}
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