Questions about the world of GMAT Math from other sources and general math related questions.
nmbhinde
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Geometry

by nmbhinde Sat Jan 14, 2012 7:34 pm

This is a DS question from the Manhattan GMAT Geometry Question Bank and I don't agree with answer:

Is quadrilaterial ABCD a rhombus?

1) Line segements AC and BD are perpendicular bisectors of each other.

2) AB = BC = CD = AD

The answer Manhattan provides is D.

Shouldn't the answer be E because the quadrilaterial could also be a square based on either 1) or 2) above? So it's not definitely a rhombus, but it could be?
tim
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Re: Geometry

by tim Sun Jan 15, 2012 4:47 pm

every square is a rhombus. think back to the definition of a rhombus..
Tim Sanders
Manhattan GMAT Instructor

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