Chapter 8.2, Problem 20PPS

To determine

The stretch of road under construction.

Answer to Problem 20PPS

  $x=1.97$

Explanation of Solution

Given:

The given figure is:

Calculation:

According to Pythagorean Theorem,

  $\begin{array}{l}{\left(x\right)}^2={\left(1.8\right)}^2+{\left(0.8\right)}^2\\ {\left(x\right)}^2=3.24+0.64\\ {\left(x\right)}^2=3.88\\ x=\sqrt{3.88}\\ x=1.97\end{array}$