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Is quadrilateral ABCD is a parallelogram?

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Is quadrilateral ABCD is a parallelogram?

Post Wed Jan 24, 2018 2:28 pm
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

Answer: D

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DrMaths Senior | Next Rank: 100 Posts Default Avatar
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Post Thu Jan 25, 2018 6:59 am
(1) SUFFICIENT because it is a rectangle!
(2) SUFFICIENT because it is either a square or rhombus.

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