รูปสี่เหลี่ยมขนมเปียกปูน

File:Rhombus.svg · Wikimedia Commons · See Wikimedia Commons

EntityQ41159· pop 107· linked from 584 articles

รูปสี่เหลี่ยมขนมเปียกปูน

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Also known as equilateral quadrilateral, diamond, lozenge, rhombuses, rhombi, equilateral parallelogram

รูปสี่เหลี่ยมด้านขนานที่ด้านทุกด้านยาวเท่ากัน

AI overview

A rhombus is a four-sided shape where all four sides are equal in length and opposite sides are parallel to each other. It's a useful geometric form that includes the square as a special case and serves as a building block for understanding other shapes like kites and parallelograms.

AI-generated from the Wikipedia summary — may contain errors.

Key facts

Polygon.name: Rhombus
Polygon.image: rhombus.svg
Polygon.caption: A rhombus in two different orientations
Polygon.type: quadrilateral, trapezoid, parallelogram, kite
Polygon.edges: 4
Polygon.symmetry: Dihedral (D2), [2], (*22), order 4
Polygon.schläfli: { } + { }{2α}
Polygon.area: K = \frac{p \cdot q}{2} (half the product of the diagonals)
Polygon.dual: rectangle
Polygon.properties: convex, isotoxal

via Wikipedia infobox

Wikidata facts

Subclass of: quadrilateral
Image: Rhombus.svg

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dual to: rectangle
Commons category: Rhombi
has facet polytope: edge
has characteristic: area
studied by: graph theory
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4
maintained by WikiProject: WikiProject Mathematics

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