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Geometric Model by A. Harry Wheeler, Triangle Transformable into Right Triangle, Plane Dissection

American History Museum

Hinged Plane Dissection, Three triangles and two quadrilateral which can be arranged as two different triangles or a quadrilateral .
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  • Hinged Plane Dissection, Three triangles and two quadrilateral which can be arranged as two different triangles or a quadrilateral .
  • Hinged Plane Dissection, Three triangles and two quadrilateral which can be arranged as two different triangles or a quadrilateral .
  • Hinged Plane Dissection, Three triangles and two quadrilateral which can be arranged as two different triangles or a quadrilateral .

    Object Details

    maker

    Wheeler, Albert Harry

    Description

    The four pieces of this hinged model are made of plastic glued to wood. The pieces can be arranged as a triangle, a right triangle, or a rectangle. The green plastic is cut, but it covers only one piece
    This is 4A on Wheeler's list of decompositions of polygons. It is a dissection that transforms a triangle into a right triangle.
    A pattern for this model found in 1979.3002.55 is dated 1932.

    Location

    Currently not on view

    Credit Line

    Gift of Helen M. Wheeler

    date made

    ca 1932

    ID Number

    MA.304723.810

    accession number

    304723

    catalog number

    304723.810

    Object Name

    geometric model
    geometric model

    Other Terms

    Dissection

    Physical Description

    plastic (overall material)
    wood (overall material)
    metal (overall material)
    green (overall color)
    blue (overall color)
    pink (overall color)
    red (overall color)
    hinged (overall production method/technique)

    Measurements

    average spatial: 1.5 cm x 20.6 cm x 13.3 cm; 19/32 in x 8 1/8 in x 5 1/4 in

    place made

    United States: Massachusetts, Worcester

    See more items in

    Medicine and Science: Mathematics
    Science & Mathematics
    Plane Dissections

    Data Source

    National Museum of American History

    Subject

    Mathematics

    Metadata Usage

    CC0

    Link to Original Record

    https://n2t.net/ark:/65665/ng49ca746a9-2c83-704b-e053-15f76fa0b4fa

    Record ID

    nmah_1075764

    Discover More

    Wooden hinged dissection comprised of four trapezoids arranged in a square, a triangle, and a smaller square.

    Geometric Models – Plane Dissections

    Wooden hinged dissection comprised of four trapezoids arranged in a square, a triangle, and a smaller square.

    Geometric Models – Plane Dissections

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