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2. Moving sofa problem - Wikipedia

   en.wikipedia.org/wiki/Moving_sofa_problem

   In mathematics, the moving sofa problem or sofa problem is a two-dimensional idealization of real-life furniture-moving problems and asks for the rigid two-dimensional shape of the largest area that can be maneuvered through an L-shaped planar region with legs of unit width. [1] The area thus obtained is referred to as the sofa constant.

3. Sofa bed - Wikipedia

   en.wikipedia.org/wiki/Sofa_bed

   A couch unfolded into a bed. A sofa bed or sofa-bed (in the US often called a sofabed, hide-a-bed, bed-couch, sleeper-sofa, or pullout sofa) is a multifunctional furniture typically consisting of a sofa or couch that, underneath its seating cushions, hides a metal frame and thin mattress that can be unfolded or opened up to make a bed.

4. Furniture - Wikipedia

   en.wikipedia.org/wiki/Furniture

   Louis XVI armchair (Fauteuil à la reine); 1780–1785; carved and gilded walnut, and embroidered silk satin; height: 102.2 cm, width: 74.9 cm, depth: 77.8 cm; Metropolitan Museum of Art Louis XVI settee; designed in circa 1786, woven 1790–91, settee frame from the second half 19th century; carved and gilded wood, with wool and silk; 107.3 × ...

5. Couch - Wikipedia

   en.wikipedia.org/wiki/Couch

   To conserve space, some sofas double as beds in the form of sofa beds, daybeds, or futons. A Kubus sofa by Josef Hoffmann (1910) A furniture set consisting of a sofa with two matching chairs [17] is known as a "chesterfield suite" [18] or "living-room suite". [19] In the UK, the word chesterfield was used to refer to any couch in the 1900s. A ...

6. Marshmallow sofa - Wikipedia

   en.wikipedia.org/wiki/Marshmallow_sofa

   Circular "marshmallow" cushions made of foam and covered in fabric, vinyl, or leather were placed on a metal frame to form the sofa. [5] The marshmallow sofa was produced in two lengths. The 52" version incorporates 18 cushions in a pattern of 4-5-5-4. [5] The 103" length uses 38 cushions in a 9-10-10-9 pattern. [2]

7. Orders of magnitude (length) - Wikipedia

   en.wikipedia.org/wiki/Orders_of_magnitude_(length)

   11 meters – approximate width of a doubles tennis court; 15 meters – width of a standard FIBA basketball court; 15.24 meters – width of an NBA basketball court (50 feet) 18.44 meters – distance between the front of the pitcher's rubber and the rear point of home plate on a baseball field (60 feet, 6 inches) [126] 20 meters – length of ...