Data Sufficiency

[Data Sufficiency] 试题详情

Is quadrilateral ABCD a square?
(1)   AB = BC = CD = DA
(2)  x + y = 180

Options:

Correct:

E

Data Sufficiency

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[点此查看答疑][GWD]Data Sufficiency

为何条件一不充分?
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[点此查看答疑][GWD]Data Sufficiency

为何条件一不充分?

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