SAT Math Question, please!

Test Preparation
1

<p>Hi, thank you for taking the time to answer this.</p>

<p>Pg 398 from blue book (College Board's) #10</p>

<p><a href="http://i43.tinypic.com/xmpxye.jpg%5B/url%5D"&gt;http://i43.tinypic.com/xmpxye.jpg&lt;/a&gt;&lt;/p>

<p>In the figure above, what is the value of x?</p>

<p>(A) 110
(B) 120
(C) 130
(D) 140
(E) 150</p>

<p>Answer is: C, 130
It seems so easy, but I don't get it. </p>

<p>Thanks! :-)</p>

2

<p>Sorry, it’s so obvious nevermind. 360-110-30-90 = 130.</p>