trapezoid

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ketkoag: Legendary Member; Posts: 876; Joined: Thu Apr 10, 2008 8:14 am; Thanked: 13 times

by ketkoag » Sat Apr 18, 2009 2:06 am

In a quadrilateral (trapezoid), the top line and the bottom line in parallel, the topside and the right side have equal length. From the top right vertices, the height line is drawn. what is the area?
(1) The height line is 6
(2) The bottom line is 10.
My answer : E please lemme know if i am not right.

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Source: Beat The GMAT — Problem Solving | Sat Apr 18, 2009 2:06 am

Otabek: Newbie | Next Rank: 10 Posts; Posts: 2; Joined: Sat Apr 18, 2009 3:14 am; Location: Uzbekistan

by Otabek » Sat Apr 18, 2009 3:38 am

The answer is E.
The hieght and base don't give you anything since you can not find the length of the top side.
Even though it says that the top side and right side are equal, it's not enough.
You are right.

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