247.8080=r^2

Solution for 247.8080=r^2 equation:

Simplifying
247.8080 = r2

Solving
247.8080 = 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.
247.8080 + -1r2 = r2 + -1r2

Combine like terms: r2 + -1r2 = 0
247.8080 + -1r2 = 0

Add '-247.8080' to each side of the equation.
247.8080 + -247.8080 + -1r2 = 0 + -247.8080

Combine like terms: 247.8080 + -247.8080 = 0.0000
0.0000 + -1r2 = 0 + -247.8080
-1r2 = 0 + -247.8080

Combine like terms: 0 + -247.8080 = -247.808
-1r2 = -247.808

Divide each side by '-1'.
r2 = 247.808

Simplifying
r2 = 247.808

Take the square root of each side:
r = {-15.741918562, 15.741918562}