3824.5514=3.14*r^2

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Solution for 3824.5514=3.14*r^2 equation: 


Simplifying
3824.5514 = 3.14r2

Solving
3824.5514 = 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.
3824.5514 + -3.14r2 = 3.14r2 + -3.14r2

Combine like terms: 3.14r2 + -3.14r2 = 0.00
3824.5514 + -3.14r2 = 0.00

Add '-3824.5514' to each side of the equation.
3824.5514 + -3824.5514 + -3.14r2 = 0.00 + -3824.5514

Combine like terms: 3824.5514 + -3824.5514 = 0.0000
0.0000 + -3.14r2 = 0.00 + -3824.5514
-3.14r2 = 0.00 + -3824.5514

Combine like terms: 0.00 + -3824.5514 = -3824.5514
-3.14r2 = -3824.5514

Divide each side by '-3.14'.
r2 = 1218.01

Simplifying
r2 = 1218.01

Take the square root of each side:
r = {-34.9, 34.9}

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