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A lack of a fourth side. ;)

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15y ago

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Related Questions

How do diagonals of quadrilaterals make a triangle?

They make four triangles, not a triangle.


Does a triangle have quadrilaterals with parallel sides?

No, a triangle will never have parallel sides.


How does knowledge of quadrilaterals contribute to engineering?

it doesnt


Is some triangles quadrilaterals?

A triangle is not a quadrilateral. A quadrilateral consists of four sides, and a triangle only has three.


Are all triangle quadrilaterals?

No. A triangle is a 3-sided figure and a quadrilateral is a 4-sided one. Are all triangles quadrilaterals? No. None of them are. no because they only have three sides


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.


Is a triangle a parellelogram?

No, parallelograms are specific to quadrilaterals (shapes with 4 sides).


Is a trapezoid a triangle?

No, trapezoids are quadrilaterals, they have 4 sides. Triangles have 3 sides.


Is an isosceles triangle a quadrillateral?

No. Quadrilaterals have four sides and triangles have only three!


What shapes can an triangle be divided?

By a single straight line only into triangles or quadrilaterals.


Is all rectangle are quadrilaterals?

No, quardrilateral means a shape having four sides, and triangle means a shape having 3 sides so no quardilateral is triangle * * * * * True, but the question had nothing to do with triangles! A kite or a rhombus are quadrilaterals but they are not rectangles. So, although some quadrilaterals are rectangles, not all are.


Which polygons don't end with -gon?

Triangle, quadrilaterals - including those with special names such as rhombus.