Wts the difference between concave nd convex qadrilaterals?

Ramandeep Singh , Meritnation Expert added an answer, on 14/11/12

** Convex quadrilaterals: **

Convex quadrilaterals have diagonals which lie inside the figure. All the angles are less than 180^{o}.^{ }The diagonals intersect inside the quadrilateral.

** Concave quadrilaterals: **

Concave quadrilaterals contain a reflex angle located within the solid. A quadrilateral that is concave has an angle exceeding 180^{o}. Here, the diagonals may intersect outside the quadrilateral.

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