10.24=r^2

Solution for 10.24=r^2 equation:

Simplifying
10.24 = r2

Solving
10.24 = 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.
10.24 + -1r2 = r2 + -1r2

Combine like terms: r2 + -1r2 = 0
10.24 + -1r2 = 0

Add '-10.24' to each side of the equation.
10.24 + -10.24 + -1r2 = 0 + -10.24

Combine like terms: 10.24 + -10.24 = 0.00
0.00 + -1r2 = 0 + -10.24
-1r2 = 0 + -10.24

Combine like terms: 0 + -10.24 = -10.24
-1r2 = -10.24

Divide each side by '-1'.
r2 = 10.24

Simplifying
r2 = 10.24

Take the square root of each side:
r = {-3.2, 3.2}