0.05=3.14r^2

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Solution for 0.05=3.14r^2 equation: 


Simplifying
0.05 = 3.14r2

Solving
0.05 = 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.
0.05 + -3.14r2 = 3.14r2 + -3.14r2

Combine like terms: 3.14r2 + -3.14r2 = 0.00
0.05 + -3.14r2 = 0.00

Add '-0.05' to each side of the equation.
0.05 + -0.05 + -3.14r2 = 0.00 + -0.05

Combine like terms: 0.05 + -0.05 = 0.00
0.00 + -3.14r2 = 0.00 + -0.05
-3.14r2 = 0.00 + -0.05

Combine like terms: 0.00 + -0.05 = -0.05
-3.14r2 = -0.05

Divide each side by '-3.14'.
r2 = 0.01592356688

Simplifying
r2 = 0.01592356688

Take the square root of each side:
r = {-0.126188616, 0.126188616}

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