64*3.14159=3.14159*r^2+ch

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Solution for 64*3.14159=3.14159*r^2+ch equation:


Simplifying
64 * 3.14159 = 3.14159r2 + ch

Multiply 64 * 3.14159
201.06176 = 3.14159r2 + ch

Reorder the terms:
201.06176 = ch + 3.14159r2

Solving
201.06176 = ch + 3.14159r2

Solving for variable 'c'.

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

Add '-1ch' to each side of the equation.
201.06176 + -1ch = ch + -1ch + 3.14159r2

Combine like terms: ch + -1ch = 0
201.06176 + -1ch = 0 + 3.14159r2
201.06176 + -1ch = 3.14159r2

Add '-201.06176' to each side of the equation.
201.06176 + -201.06176 + -1ch = -201.06176 + 3.14159r2

Combine like terms: 201.06176 + -201.06176 = 0.00000
0.00000 + -1ch = -201.06176 + 3.14159r2
-1ch = -201.06176 + 3.14159r2

Divide each side by '-1h'.
c = 201.06176h-1 + -3.14159h-1r2

Simplifying
c = 201.06176h-1 + -3.14159h-1r2

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