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Wts the difference between concave nd convex qadrilaterals?

Convex quadrilaterals: 

Convex quadrilaterals have diagonals which lie inside the figure. All the angles are less than 180o. 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 180o. Here, the diagonals may intersect outside the quadrilateral.

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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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A convex polygon has ALL its interior angles less than 180°. 

In a convex polygon if A and B are any two interior points, they
can be connected by a line segment which does not go outside the
polygon.  This cannot be said of a concave polygon.

A concave polygon has one or more internal angles greater than 180°.

In a convex polygon all the vertices point OUTWARD.
In a concave polygon at least one of the vertices poins INWARD.

A concave polygon has at least one "caved-in" (or "sunk-in") place,
to put it figuratively.  A convex polygon has no "sunk-in" places.

Here is a convex polygon:



Here is a concave polygon:


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ty  both of u 4 doin so much xclusively foe ma q!!! :D

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