R=3.14(R^2-r^2)

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Solution for R=3.14(R^2-r^2) equation: 


Simplifying
R = 3.14(R2 + -1r2)
R = (R2 * 3.14 + -1r2 * 3.14)
R = (3.14R2 + -3.14r2)

Solving
R = 3.14R2 + -3.14r2

Solving for variable 'R'.

Reorder the terms:
R + -3.14R2 + 3.14r2 = 3.14R2 + -3.14R2 + -3.14r2 + 3.14r2

Combine like terms: 3.14R2 + -3.14R2 = 0.00
R + -3.14R2 + 3.14r2 = 0.00 + -3.14r2 + 3.14r2
R + -3.14R2 + 3.14r2 = -3.14r2 + 3.14r2

Combine like terms: -3.14r2 + 3.14r2 = 0.00
R + -3.14R2 + 3.14r2 = 0.00

The solution to this equation could not be determined.

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