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A concave quadrilateral would be a non-convex quadrilateral.
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Also known as delta or arrowhead or chevron.
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∙ 8y ago
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Can a quadrilateral have each of 4 angles a different measure?
Yes, be it a common convex quadrilateral or a concave quadrilateral. For a convex quadrilateral, the most obvious example is a irregular trapezium, where the upper base and the lower base are of different length, and the slanted sides are of different length. It is similar for a concave quadrilateral.
Could a concave quadrilateral have more than one reflex angle?
A reflex angle is over 180 degrees, but the sum of the angles in a quadrilateral, concave or convex, is 360. Therefore, since 180+180=360, you can't have any more degrees even without the amount over 180 that the reflex angle has.
What are all the names and requirements of a quadrilateral?
a quadrilateral has 4 (quad) sides. a square is a quadrilateral.
What are the opposite angles of a quadrilateral inscribed in a circle?
A quadrilateral is inscribed in a circle it means all the vertices of quadrilateral are touching the circle. therefore it is a cyclic quadrilateral and sum of the opposite angles in cyclic quadrilateral is supplementary. suppose if one angle is A then another will be 180 degree - angle A.
What quadrilateral does not have 4 right angles?
NO quadrilateral has, except rectangles and squares.
Does a quadrilateral have a convex or a concave angle?
concave
Can a concave quadrilateral be regular?
No.
What is a reenterant quadrilateral?
A concave quadrilateral - like an arrowhead or chevron.
Can a concave quadrilateral be a regular polygon?
No.
Can a concave quadrilateral tessellate?
yes it will...
A quadrilateral that is a concave?
A chevron or arrowhead.
What is non convex quadrilateral?
A concave quadrilateral. An arrowhead or a delta, for example.
Is a trapezoid concave?
No. A trapezoid has two parallel sides. This is not possible in a concave quadrilateral.
What is a non-convex quadrilateral?
It would be a concave quadrilateral The link below has some pics.
Is a quadrilateral convex or concave?
A normal 2-D quadrilateral would be neither convex or concave. There are three-dimensional quadrilaterals, such as prisms, but it would depend on the shape.
Is a concave quadrilateral less than 180 degrees?
The sum of the interior angles of a quadrilateral is 360 degrees (not 180). The sum of the exterior angles is also 360 degrees. Whether the quadrilateral is convex or concave is not relevant.
Can a quadrilateral have each of 4 angles a different measure?
Yes, be it a common convex quadrilateral or a concave quadrilateral. For a convex quadrilateral, the most obvious example is a irregular trapezium, where the upper base and the lower base are of different length, and the slanted sides are of different length. It is similar for a concave quadrilateral.
