<p>It is probably really easy but Idk what is puzzling me !</p>
<p>The correct answer (180) isn’t given in the choices.</p>
<p>I agree with fignewton, unless im missing something.</p>
<p>It’s 180 where did you get this question?</p>
<p>answer is 180. you shouldn’t be using that prep book.</p>
<p>The only thing that could conceivably make sense is that they put the z in the wrong place in relation to the line and it should be on the acute angle either beside or below where it is in the picture. In which case the answer would be E. 110 degrees.</p>
<p>They failed horribly. Of course it’s 180.</p>