yogachgolf wrote:
Is quadrilateral Q a square?
(1) The sides of Q have the same length.
(2) The diagonals of Q have the same length
Statement I is insufficient:
Rhombus have same lengths and so does a square.
Statement II is insufficient:
Sides may or may not be same.
Combining is sufficient:
If sides are same and diagonals are same which means all the sides must intersect at ninety degrees hence answer is c.
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