7234.56=3.14r^2

Solution for 7234.56=3.14r^2 equation:

Simplifying
7234.56 = 3.14r2

Solving
7234.56 = 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.
7234.56 + -3.14r2 = 3.14r2 + -3.14r2

Combine like terms: 3.14r2 + -3.14r2 = 0.00
7234.56 + -3.14r2 = 0.00

Add '-7234.56' to each side of the equation.
7234.56 + -7234.56 + -3.14r2 = 0.00 + -7234.56

Combine like terms: 7234.56 + -7234.56 = 0.00
0.00 + -3.14r2 = 0.00 + -7234.56
-3.14r2 = 0.00 + -7234.56

Combine like terms: 0.00 + -7234.56 = -7234.56
-3.14r2 = -7234.56

Divide each side by '-3.14'.
r2 = 2304

Simplifying
r2 = 2304

Take the square root of each side:
r = {-48, 48}