Chapter 52, Problem 13A

Determine the values of $\angle 2,\angle 3,$ and $\angle 4$ for these given values of $\angle 1.$
a. $\angle 1=32°$
  $\angle 2$
  $\angle 4$
  $\angle 3$
b. $\angle 1=35°19\text{'}$
  $\angle 2$
  $\angle 4$
  $\angle 3$