Chapter 11.1, Problem 34HP

To determine

To find: whether Elias is correct or Taylor.

Answer to Problem 34HP

Taylor is correct.

Explanation of Solution

Given information: Calculations to find value of x according to Elias and Taylor for the following figure:

  

Consider the below figure similar to the given figure:

  

In above figure, $\angle 1+\angle 2=90°$

Put $\angle 1=69°$ and $\angle 2=x°$

  $\begin{array}{l}69°+x°=90°\\ \Rightarrow x°=90°-69°=21°\end{array}$

So, Taylor is correct.