Chapter 8.3, Problem 36PPS

To determine

The length of the support.

Answer to Problem 36PPS

  $x=\sqrt{2}=1.4\text{feet}$

Explanation of Solution

Given:

The given figure is:

Calculation:

According to Pythagorean Theorem,

  $\begin{array}{l}l\sqrt{2}=h\\ \sqrt{2}x=2\\ x=\frac{2}{\sqrt{2}}\\ x=\frac{2}{\sqrt{2}}\times \frac{\sqrt{2}}{\sqrt{2}}\\ x=\sqrt{2}=1.4\text{feet}\end{array}$