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Simplifying
1436 = 3.14r2
Solving
1436 = 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.
1436 + -3.14r2 = 3.14r2 + -3.14r2
Combine like terms: 3.14r2 + -3.14r2 = 0.00
1436 + -3.14r2 = 0.00
Add '-1436' to each side of the equation.
1436 + -1436 + -3.14r2 = 0.00 + -1436
Combine like terms: 1436 + -1436 = 0
0 + -3.14r2 = 0.00 + -1436
-3.14r2 = 0.00 + -1436
Combine like terms: 0.00 + -1436 = -1436
-3.14r2 = -1436
Divide each side by '-3.14'.
r2 = 457.3248408
Simplifying
r2 = 457.3248408
Take the square root of each side:
r = {-21.385154683, 21.385154683}
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