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A scalene trapezoid is a trapezoid with no sides of equal measure, [4] in contrast with the special cases below. A trapezoid is usually considered to be a convex quadrilateral in Euclidean geometry , but there are also crossed cases.
In geometry a quadrilateral is a four-sided polygon, having four edges (sides) ... No Isosceles trapezoid: No: See note 1: Yes Parallelogram: Yes: No: No Kite: See ...
There are no nonconvex Euclidean regular tessellations in any number of dimensions. ... Tangential quadrilateral; Trapezoid or trapezium Isosceles trapezoid; Pentagon ...
Quadrilateral – 4 sides Cyclic quadrilateral; Kite. Rectangle; Rhomboid; Rhombus; Square (regular quadrilateral) Tangential quadrilateral; Trapezoid. Isosceles trapezoid; Trapezus; Pentagon – 5 sides; Hexagon – 6 sides Lemoine hexagon; Heptagon – 7 sides; Octagon – 8 sides; Nonagon – 9 sides; Decagon – 10 sides; Hendecagon – 11 ...
Any non-self-crossing quadrilateral with exactly one axis of symmetry must be either an isosceles trapezoid or a kite. [5] However, if crossings are allowed, the set of symmetric quadrilaterals must be expanded to include also the crossed isosceles trapezoids, crossed quadrilaterals in which the crossed sides are of equal length and the other sides are parallel, and the antiparallelograms ...
The base pairs form a parallelogram with half the area of the quadrilateral, A q, as the sum of the areas of the four large triangles, A l is 2 A q (each of the two pairs reconstructs the quadrilateral) while that of the small triangles, A s is a quarter of A l (half linear dimensions yields quarter area), and the area of the parallelogram is A ...
It divides the quadrilateral into two congruent triangles that are mirror images of each other. [7] One diagonal bisects both of the angles at its two ends. [7] Kite quadrilaterals are named for the wind-blown, flying kites, which often have this shape [10] [11] and which are in turn named for a hovering bird and the sound it makes.
Tangential quadrilateral; Tangential trapezoid; Trapezoid; U. Unit square This page was last edited on 3 November 2020, at 13:20 (UTC). ...