It is not possible to draw a concave quadrilateral

asked Dec 3, 2017 145k views

3 votes

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You you the Star Trek emblem on the uniform. Well it's a concave quadrilateral it's a square with one vertex is inward.

Kaustuv answered Dec 5, 2017

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6 votes

False. It is quite possible to draw a concave quadrilateral.

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