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Which type of quadrilateral is not considered a parallelogram?
A trapezoid (UK trapezium) is a quadrilateral has only one pair of parallel sides. Otherwise, there are many irregular quadrilaterals that have no parallel sides, such as a kite or dart shape, and these include both concave and convex quadrilaterals.
Is concave a parallelogram?
Concave is a property of [irregular] polygons. A parallelogram cannot be concave.
Do irregular quadrilaterals have no right angles?
no
What are all the quadrilaterals?
square, rectangle, trapezoid, rhombus, parallelogram, kite, and irregular quadrilaterals
What polygons have 4lines of symmetry?
Quadrilaterals- Squares, Rectangles, Rhomboids, Parallelograms, kites, chevrons, trapezoids, and irregular quadrilaterals.
Which quadrilaterals have two obtuse angles?
Every parallelogram and most trapezoids have.Oh wait! It seems to me that every quadrilateral, regular or irregular, that'snot a rectangle and not concave, must have at least two obtuse angles.
What are the irregular quadrilaterals?
Rhombuses, rectangles, kites, parallelograms, and trapezoids are all irregular quadrilaterals.
Which type of quadrilateral is not considered a parallelogram?
A trapezoid (UK trapezium) is a quadrilateral has only one pair of parallel sides. Otherwise, there are many irregular quadrilaterals that have no parallel sides, such as a kite or dart shape, and these include both concave and convex quadrilaterals.
What is the maximum number of right angles in an irregular polygon?
There is no maximum number for a an irregular concave polygon. If it must be convex, then there is a maximum of 3.
Having concave and convex edges terminating in points?
The described shape is a polygon with alternating concave and convex edges that meet at points. Some examples of polygons that match this description include stars, arrowheads, or certain irregular quadrilaterals.
Is concave a parallelogram?
Concave is a property of [irregular] polygons. A parallelogram cannot be concave.
Do irregular quadrilaterals have no right angles?
no
What are all the quadrilaterals?
square, rectangle, trapezoid, rhombus, parallelogram, kite, and irregular quadrilaterals
What shape has 4 irregular angles?
quadrilaterals
Which of the polygons cannot be used to create a pure tessellation?
The only regular polygons which will tessellate are those with 3, 4 or 6 sides. But all irregular triangles, all irregular quadrilaterals, 15 classes of irregular convex pentagons and 3 classes of irregular convex hexagons will tessellate. In addition, there are concave polygons with different numbers of sides which will also tessellate.
What are the example of irregular polygon?
rectangle and concave
What figure is formed by the intersection of two quadrilaterals?
It could be a triangle, a quadrilateral, a pentagon, a hexagon or even an octagon if they are two concave quadrilaterals.
