1962=3.14r^2

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Solution for 1962=3.14r^2 equation: 


Simplifying
1962 = 3.14r2

Solving
1962 = 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.
1962 + -3.14r2 = 3.14r2 + -3.14r2

Combine like terms: 3.14r2 + -3.14r2 = 0.00
1962 + -3.14r2 = 0.00

Add '-1962' to each side of the equation.
1962 + -1962 + -3.14r2 = 0.00 + -1962

Combine like terms: 1962 + -1962 = 0
0 + -3.14r2 = 0.00 + -1962
-3.14r2 = 0.00 + -1962

Combine like terms: 0.00 + -1962 = -1962
-3.14r2 = -1962

Divide each side by '-3.14'.
r2 = 624.8407643

Simplifying
r2 = 624.8407643

Take the square root of each side:
r = {-24.996815083, 24.996815083}

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