Question

I need to know the length in miles of arc BDC?

Answer 1

Using the formula of the arc length, we have:

`\begin{gathered} s=r\cdot\theta \\ s=4\cdot((5\pi)/(4))\text{ miles} \\ s=(20\pi)/(4)\text{ (Multiplying)} \\ s=5\pi\text{ (Dividing)} \\ \text{The answer is 5}\pi \end{gathered}`