Answer :

Answer:

[tex]r = \frac{L}{2\pi h}[/tex]

Step-by-step explanation:

1. Write equation out

[tex]L = 2\pi rh[/tex]

2. Divide 2πh on both sides of the equation

[tex]L=\frac{2\pi rh}{2\pi h}[/tex]

3. Write out new equation

[tex]r = \frac{L}{2\pi h}[/tex]

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