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GMAT Data Sufficiency (DS) | Re: In the figure, ABCD is a square and E is a point inside the square. Is

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SajjadAhmad wrote:

In the figure, ABCD is a square and E is a point inside the square. Is BEC a right triangle?

(1) The point E is on the line joining the midpoints of AD and BC.
(2) AED is 100°.

Source: Nova GMAT



Hi,

Let's see the statements..

(1) The point E is on the line joining the midpoints of AD and BC.
This tells us that point E is equidistant from A and D and also from B and C.
There is ONLY one position where BEC will be 90° and that is at the point where all four A,B,C and D are Equidistant. This

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