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90.           Column A       ... ...

90.           Column A           Column B
  x + z   v
 
(A) Column A is larger
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Math - Problem Set G: Quantitative Comparisons

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Replies to This Thread: 1 | ----
90.           Column A       ... ... 
Posted: 07/29/2013 11:47
The angle X in the diagram is outside the triangle, why did we assume it's inside
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Posted: 08/12/2013 16:20
Sudad, the question is tricky. The angle inside the triangle is also x. Think this way: the angle next to x must be 180-x, since it is a straight line, right? Then the angle opposite x must be 180 - (180-x) =x.
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