** **__ __*CONCAVE QUADRILATERAL:*

A QUADRILATERAL IN WHICH THE MEASURE OF ANGLES IS NOT 180 DEGREE OR MORE AND THE DIAGONALS MAY INTERSECT IN THE EXTERIOR OF THE QUADRILATERAL IS CALLED CONCAVE QUADRILATERALS.

** *** *__CONVEX QUADRILATERALS:__

A QUADRILATERAL IN WHICH THE MEASURES OF THE ANGLES IS NOT 180 DEGREE OR MORE AND ALL THE DIADONALS INTERSECT IN THE INTERIOR OF THE QUADRILATERAL IS CALLED CONVEX QUADRILATERAL.

EG. SQUARE, RECTANGLE, TRAPEZIUM ETC

HOPE IT HELPS.. THUMBS UP PLZ:)

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