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Is ABDC a square? (1) BC is perpendicular to AD. (2) BE = EC

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Joined: 02 Sep 2009
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Is ABDC a square? (1) BC is perpendicular to AD. (2) BE = EC  [#permalink]

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New post 17 Oct 2017, 22:44
00:00
A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

73% (00:47) correct 27% (00:48) wrong based on 39 sessions

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Re: Is ABDC a square? (1) BC is perpendicular to AD. (2) BE = EC  [#permalink]

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New post 18 Oct 2017, 02:08
(1) no info about side dimensions
(2) no info about angles
(1) + (2)
ABCD can still be rhombus either square taking both conditions are valid.

Answer E.
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Re: Is ABDC a square? (1) BC is perpendicular to AD. (2) BE = EC  [#permalink]

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New post 23 Oct 2017, 17:19
E
St1, we are missing information about the sides.
St2, It could still be a rhombus if the two diagonals are perpendicular.
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Re: Is ABDC a square? (1) BC is perpendicular to AD. (2) BE = EC &nbs [#permalink] 23 Oct 2017, 17:19
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Is ABDC a square? (1) BC is perpendicular to AD. (2) BE = EC

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