Solve for the variable r in this equation: s = 2πrh
r = S/2πh
2) V= πr^2h, for variable h
Same procedure in this one
Divide both sides byπr^2
V/πr^2 = h
h = V/πr^2
The solution for the variable r in the given equation is \(r =\frac{s}{2\pi h}\)
From the question,
We are to solve for the variable r in the given equation, we will make r the subject of the equation.
The given equation is
\(s = 2\pi rh\)
To solve for r,
Divide both sides of the equation by 2πh
That is,
\(\frac{s}{2\pi h} =\frac{2\pi rh}{2\pi h}\)
Then,
\(\frac{s}{2\pi h} =r\)
∴ \(r =\frac{s}{2\pi h}\)
Hence, the solution for the variable r in the given equation is \(r =\frac{s}{2\pi h}\)
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