132=r^2

Solution for 132=r^2 equation:

Simplifying
132 = r2

Solving
132 = r2

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-1r2' to each side of the equation.
132 + -1r2 = r2 + -1r2

Combine like terms: r2 + -1r2 = 0
132 + -1r2 = 0

Add '-132' to each side of the equation.
132 + -132 + -1r2 = 0 + -132

Combine like terms: 132 + -132 = 0
0 + -1r2 = 0 + -132
-1r2 = 0 + -132

Combine like terms: 0 + -132 = -132
-1r2 = -132

Divide each side by '-1'.
r2 = 132

Simplifying
r2 = 132

Take the square root of each side:
r = {-11.489125293, 11.489125293}