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# Is quadrilateral ABCD is a parallelogram?

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Joined: 12 Sep 2015
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24 Jan 2018, 15:29
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Question Stats:

81% (00:36) correct 19% (00:34) wrong based on 119 sessions

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Is quadrilateral ABCD is a parallelogram?

1) All four angles in quadrilateral ABCD are right angles
2) All four sides of quadrilateral ABCD are equal length

*kudos for all correct solutions

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Joined: 16 Dec 2017
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24 Jan 2018, 16:10
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A parallelogram has opposite sides parallel to each other.

Statement 1: All angles are 90 so that means that the quadrilateral is either a square or a rectangle and both have parallel sides equal. Hence A is sufficient.

Statement 2: All sides are equal which means that the qudrilateral is a square, rhombus or a parallelogram and since all of them have two pairs of parallel verteces, they are all parallelograms. Hence B is sufficient.

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24 Jan 2018, 21:09
GMATPrepNow wrote:
Is quadrilateral ABCD is a parallelogram?

1) All four angles in quadrilateral ABCD are right angles
2) All four sides of quadrilateral ABCD are equal length

*kudos for all correct solutions

Check Properties of Polygons Questions for similar problems.
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Re: Is quadrilateral ABCD is a parallelogram?   [#permalink] 24 Jan 2018, 21:09
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