1770.7151=3.14*r^2

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Solution for 1770.7151=3.14*r^2 equation: 


Simplifying
1770.7151 = 3.14r2

Solving
1770.7151 = 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.
1770.7151 + -3.14r2 = 3.14r2 + -3.14r2

Combine like terms: 3.14r2 + -3.14r2 = 0.00
1770.7151 + -3.14r2 = 0.00

Add '-1770.7151' to each side of the equation.
1770.7151 + -1770.7151 + -3.14r2 = 0.00 + -1770.7151

Combine like terms: 1770.7151 + -1770.7151 = 0.0000
0.0000 + -3.14r2 = 0.00 + -1770.7151
-3.14r2 = 0.00 + -1770.7151

Combine like terms: 0.00 + -1770.7151 = -1770.7151
-3.14r2 = -1770.7151

Divide each side by '-3.14'.
r2 = 563.9220064

Simplifying
r2 = 563.9220064

Take the square root of each side:
r = {-23.747042056, 23.747042056}

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