what is the difference between concave and the convex quadrilateral
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Answer:
Difference between Concave and convex-
Convex
A quadrilateral is convex if each vertex lies in the interior of the opposite angle,also if when a diagonal is joined if all the vertices do not lie on one side of the diagonal.
Convex quadrilaterals, like the more familiar squares and rectangles, don't have a cavity.
Concave
Concave quadrilaterals are those that have a cavity, or a cave. concave one has at least one diagonal that lies partly or entirely outside of the figure.
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Concave quadrilaterals are those that have a cavity
Concave quadrilaterals are those that have a cavity Convex quadrilaterals, like the more familiar squares and rectangles, don't have a cavity.
Concave quadrilaterals are those that have a cavity Convex quadrilaterals, like the more familiar squares and rectangles, don't have a cavity.convex quadrilateral has both diagonals completely contained within the figure, while a concave one has at least one diagonal that lies partly or entirely outside of the figure. Those are good definitions, but the concave shapes having a cavity or cave is probably an easier way to remember it.