Question

A circle has a circumference of 7{,}8507,8507, comma, 850 units. What is the radius of the circle?

Answer 1

$\bf \textit{circumference of a circle}\\\\ C=2\pi r~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ C=7850 \end{cases}\implies 7850=2\pi r\implies \cfrac{7850}{2\pi }=r\implies 1249.37\approx r$

Answer 2

Answer:

1249.37 units

Step-by-step explanation: