L=2πrh; solve for r.
Answer:
\(r = \frac{L}{2\pi h}\)
Step-by-step explanation:
1. Write equation out
\(L = 2\pi rh\)
2. Divide 2πh on both sides of the equation
\(L=\frac{2\pi rh}{2\pi h}\)
3. Write out new equation