789.61=r^2

Solution for 789.61=r^2 equation:

Simplifying
789.61 = r2

Solving
789.61 = 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.
789.61 + -1r2 = r2 + -1r2

Combine like terms: r2 + -1r2 = 0
789.61 + -1r2 = 0

Add '-789.61' to each side of the equation.
789.61 + -789.61 + -1r2 = 0 + -789.61

Combine like terms: 789.61 + -789.61 = 0.00
0.00 + -1r2 = 0 + -789.61
-1r2 = 0 + -789.61

Combine like terms: 0 + -789.61 = -789.61
-1r2 = -789.61

Divide each side by '-1'.
r2 = 789.61

Simplifying
r2 = 789.61

Take the square root of each side:
r = {-28.1, 28.1}