Geometric Model by A. Harry Wheeler, Equilateral Triangle with Inscribed Rectangle or Parallelogram with an Inscribed Square, Plane Dissection
name: label: maker
content: Wheeler, Albert Harry
notes: label: Description
content: The four pieces of this hinged dissection have plastic on both sides and a wooden core. They can be arranged as an equilateral triangle or a square.The pieces on one side have smaller plastic parts on them so that the equilateral triangle appears to have an inscribed rectangle.
label: Description
content: This is a special case of Wheeler's model 4K (trapezoid into a triangle) in his list of decompositions of polygons.
label: Description
content: Compare MA.304723.813.
label: Location
content: Currently not on view
place: label: place made
content: United States: Massachusetts, Worcester
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
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content: Science & Mathematics
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content: Plane Dissections
creditLine: label: Credit Line
content: Gift of Helen M. Wheeler
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MA.304723.814
label: accession number
content: 304723
label: catalog number
content: 304723.814
objectType: label: Object Name
content: geometric model
physicalDescription: label: Physical Description
content: plastic (overall material)
label: Physical Description
content: wood (overall material)
label: Physical Description
content: metal (overall material)
label: Physical Description
content: red (overall color)
label: Physical Description
content: blue (overall color)
label: Physical Description
content: brown (overall color)
label: Physical Description
content: green (overall color)
label: Physical Description
content: hinged (overall production method/technique)
label: Measurements
content: average spatial: 1.5 cm x 10.5 cm x 9 cm; 19/32 in x 4 1/8 in x 3 17/32 in