Question

pls anyone don't worry about like the one above it it just my hand writing this is the only one I'm having problem with the rest I probably can get

Answer 1

By definition, the circumference of a circle can be calculated using the following formula:

`C=2\pi r`

Where "r" is the radius of the circle.

According to the information given in the exercise, the wheel has the following circumference:

`C=38in`

So, knowing the circumference, you can substitute it into the formula:

`38in=2\pi r`

Finally, you have to solve for the radius "r":

`\begin{gathered} (38in)/(2\pi)=r \\ \\ r\approx6in \end{gathered}`

The answer is: Option C.