200.93=3.14r^2

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Solution for 200.93=3.14r^2 equation: 


Simplifying
200.93 = 3.14r2

Solving
200.93 = 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.
200.93 + -3.14r2 = 3.14r2 + -3.14r2

Combine like terms: 3.14r2 + -3.14r2 = 0.00
200.93 + -3.14r2 = 0.00

Add '-200.93' to each side of the equation.
200.93 + -200.93 + -3.14r2 = 0.00 + -200.93

Combine like terms: 200.93 + -200.93 = 0.00
0.00 + -3.14r2 = 0.00 + -200.93
-3.14r2 = 0.00 + -200.93

Combine like terms: 0.00 + -200.93 = -200.93
-3.14r2 = -200.93

Divide each side by '-3.14'.
r2 = 63.99044586

Simplifying
r2 = 63.99044586

Take the square root of each side:
r = {-7.999402844, 7.999402844}

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