square
regular quadrilateral
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Summary
square is a geometric shape[1]. square draws 5,138 Wikipedia views per month (geometric shape category, ranking #2 of 10).[2]
Key Facts
- Subclass of: rectangle[3], rhombus[4], regular convex polygon[5], right kite[6], hypercube[7], cross-polytope[8], constructible polygon[9], bicentric trapezoid[10], right tangential trapezoid[11], midsquare trapezoid[12], equidiagonal kite[13]
- Commons category: Square (geometry)[14]
- Unicode character: 🔲[15], 🔳[16], ▪[17], ▫[18], ◻[19], ◼[20], ◽[21], ◾[22], ⬛[23], ⬜[24]
- Topic's main category: Category:Square (geometry)[25]
- Has facet polytope: edge[26]
- Dual to: square[27]
- Described by source: Brockhaus and Efron Encyclopedic Dictionary[28], Small Brockhaus and Efron Encyclopedic Dictionary[29], Explanatory Dictionary of the Living Great Russian Language[30], Otto's encyclopedia[31], Meyers Konversations-Lexikon, 4th edition (1885–1890)[32]
- Has characteristic: plane area[33], perimeter[34], inradius[35], circumradius[36], isoperimetric ratio[37]
- Different from: Quadrat[38], Square[39]
- Permanent duplicated item: Q1936713[40]
- Schläfli symbol: {4}[41]
- On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[42]
- Maintained by WikiProject: WikiProject Mathematics[43], WikiProject Polyhedra[44]
Body
Influence
Things named for square include squircle[45], a shape[46]; squaric acid[47], a type of chemical entity[48]; and quadratite[49], a mineral species[50].
Why It Matters
square has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[51] square is known by 43 alternative names across languages and contexts.[52]
Entities named for square include squircle[45], a shape[46]; squaric acid[47], a type of chemical entity[48]; and quadratite[49], a mineral species[50].