Chapter 12.2, Problem 35STP

To determine

To find : The area of grass being watered.

Answer to Problem 35STP

Option (J)

Explanation of Solution

Given information :

The given information is, A sprinkler is set to cover he area of grass, it reaches distance of $10$ feet.

Formula Used:

Area of circle is $\pi r^2$ , where $r$ is radius.

Calculation :

  $\begin{array}{l}\text{Area A, A}=\pi r^2\\ r=10feet(given)\\ $ A=\pi {(10)}^2=314.159f{t}^2\approx 314.2f{t}^2$\end{array}$

Area is $314.2$ ft² that is being watered by sprinkler.