A quadrilateral has one vertex on each side of a square of side-length – InterviewSolution

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1.	A quadrilateral has one vertex on each side of a square of side-length 1. If the lengths of the quadrilateral are a, b, c, d, then
Answer» `2 LE a^2 + b^2 + c^2 +d^2 le 4` `1 le a^2 + b^2 + c^2 +d^2 le 4` `sqrt 2 le a^2 + b^2 + c^2 + d^2 le 4` `2 sqrt 2 le a^2 + b^2 + c^2 + d^2 le 4` Answer :A

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