31.4=pir^2

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Solution for 31.4=pir^2 equation:


Simplifying
31.4 = pir2

Solving
31.4 = ipr2

Solving for variable 'i'.

Move all terms containing i to the left, all other terms to the right.

Add '-1ipr2' to each side of the equation.
31.4 + -1ipr2 = ipr2 + -1ipr2

Combine like terms: ipr2 + -1ipr2 = 0
31.4 + -1ipr2 = 0

Add '-31.4' to each side of the equation.
31.4 + -31.4 + -1ipr2 = 0 + -31.4

Combine like terms: 31.4 + -31.4 = 0.0
0.0 + -1ipr2 = 0 + -31.4
-1ipr2 = 0 + -31.4

Combine like terms: 0 + -31.4 = -31.4
-1ipr2 = -31.4

Divide each side by '-1pr2'.
i = 31.4p-1r-2

Simplifying
i = 31.4p-1r-2

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