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a quadrilateral is a shape that that doesn't contain any curved lines or overlapping lines. you must be able to draw the entire shape without lifting your pencil and ending where you started drawing.
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A hopelessly incomplete answer. A triangle would meet these requirements!
A quadrilateral is a closed plane shape enclosed by four straight lines (which meet, pairwise, at 4 vertices).
The shape is convex if all of its interior angles are less than 180 degrees. Equivalently, for every pair of points inside the shape, the straight line joining the points must lie entirely inside the boundaries of the shape.
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How many diagonals a convex quadrilateral have?
A quadrilateral has 2 diagonals. It does not matter whether it is convex or not.
Is a quadrilateral always convex?
no
How can you tell whether a quadrilateral is convex or not convex?
If any of the angles is greater than 180 degrees, the quadrilateral is concave.
Is a quadrilateral a convex?
It may or may not be.
What is non convex quadrilateral?
A concave quadrilateral. An arrowhead or a delta, for example.
How many diagonals a convex quadrilateral have?
A quadrilateral has 2 diagonals. It does not matter whether it is convex or not.
What is the sum of the measures of the angles of a convex quadrilateralwill this property hold if the quadrilateral is not convex?
What is the sum of the measures of the angles of a convex quadrilateralwill this property hold if the quadrilateral is not convex?
Is a quadrilateral always convex?
no
How can you tell whether a quadrilateral is convex or not convex?
If any of the angles is greater than 180 degrees, the quadrilateral is concave.
How many sides does a convex quadrilateral have?
how many sides convex quadilaterals have
Is a parallelogram a convex quadrilateral?
yes
Is a quadrilateral a convex?
It may or may not be.
What is non convex quadrilateral?
A concave quadrilateral. An arrowhead or a delta, for example.
Does a quadrilateral have a convex or a concave angle?
concave
What is a concave quadrilateral?
A concave quadrilateral would be a non-convex quadrilateral. * * * * * Also known as delta or arrowhead or chevron.
What is a non-convex quadrilateral?
It would be a concave quadrilateral The link below has some pics.
What is the name of a quadrilateral with two right angles?
It is a convex quadrilateral, as the remaining angles could be any two angles with a sum of 180 degrees.
