Question

Find the radius of this circle!

Answer 1

Answer:

r=5

Step-by-step explanation:

$\theta=\frac{2\pi }{3}\\l=\frac{10\pi }{3}\\\theta=\frac{l}{r}\\r=\frac{l}{\theta } \\r=\frac{\frac{10 \pi }{3} }{\frac{2\pi }{3} } \\or~r=\frac{10\pi }{3} *\frac{3}{2\pi } =5$