Question

The arc length of this circle is 9.42 inches. Determine the length of the radius.PC90ABComplete your work in the space provided.

Answer 1

We know that:

`S=\theta* r`

Then:

`r=(S)/(\theta)`

So:

`90\degree*(\pi)/(180\degree)=1.571rad`

Now:

`r=(9.42in)/(1.571rad)=5.996\text{ in}`