314.3=3.14*R^2

Solution for 314.3=3.14*R^2 equation:

Simplifying
314.3 = 3.14R2

Solving
314.3 = 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.
314.3 + -3.14R2 = 3.14R2 + -3.14R2

Combine like terms: 3.14R2 + -3.14R2 = 0.00
314.3 + -3.14R2 = 0.00

Add '-314.3' to each side of the equation.
314.3 + -314.3 + -3.14R2 = 0.00 + -314.3

Combine like terms: 314.3 + -314.3 = 0.0
0.0 + -3.14R2 = 0.00 + -314.3
-3.14R2 = 0.00 + -314.3

Combine like terms: 0.00 + -314.3 = -314.3
-3.14R2 = -314.3

Divide each side by '-3.14'.
R2 = 100.0955414

Simplifying
R2 = 100.0955414

Take the square root of each side:
R = {-10.00477593, 10.00477593}