Question

what is the degree measure of an arc 4π ft. long in a circle of radius 10ft.57.6°72°60°if you can help me thanks

Answer 1

Step-by-step explanation:

`\begin{gathered} 10\cdot(2\pi)/(360)=(4\pi)/(x) \\ \text{ solving for x} \\ x=(4\pi)/(2\pi)\cdot(360)/(10)=2\cdot36=72 \end{gathered}`

Answer: 72º