Question

The park has a circular track with a radius of 7.6 yds. How many whole yards of fencing would they need to purchase to enclose the track? Use = 3.14

Answer 1

Answer: 48 yards

Explanation:

The circumference of a circle can be calculated with the following formula:

`C=2\pi r`

Where "C" is the circumference of the circle and "r" is the radius of the circle.

In this case you know that the radius of the circular track is the following:

`r=7.6\ yd`

Knowing tha radius, you can substitute it into the formula (According to the information given in the exercise, you need to use
`\pi =3.14`)

`C=2(3.14)(7.6\ yd)`

Finally, you need to evaluate.

Therefore, you get that the whole yards of fencing that they need to purchase to enclose the track is:

`C\approx48\ yd`

Answer 2

48 yards

Explanation:

we know that

The circumference of a circle is equal to

`C=2\pi r`

we have

`r=7.6\ yd\\\pi=3.14`

substitute

`C=2(3.14)(7.6)=48\ yd`