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Ames window. The Ames trapezoid or Ames window is an image on, for example, a flat piece of cardboard that seems to be a rectangular window but is, in fact, a trapezoid. Both sides of the piece of cardboard have the same image. The cardboard is hung vertically from a wire so it can rotate around continuously, or is attached to a vertical ...
A vowel diagram or vowel chart is a schematic arrangement of the vowels. Depending on the particular language being discussed, it can take the form of a triangle or a quadrilateral. Vertical position on the diagram denotes the vowel closeness, with close vowels at the top of the diagram, and horizontal position denotes the vowel backness, with ...
This image is a derivative work of the following images: File:Blank_vowel_trapezoid.png licensed with GFDL. 2005-07-19T06:08:33Z Denelson83 1000x700 (5700 Bytes) More accurate version - Overcoming a perceived optical illusion. 2005-07-19T00:47:27Z Denelson83 1000x700 (5296 Bytes) Thinner lines. 2005-07-18T02:31:12Z Denelson83 1000x700 (5290 ...
Original upload log. This image is a derivative work of the following images: File:Blank_vowel_trapezoid-three-height.png licensed with GFDL . 2005-09-05T08:26:57Z Cassowary 1000x700 (4508 Bytes) Three height version of [[:Image:Blank vowel trapezoid.png]].
Download QR code; Print/export Download as PDF; Printable version; In other projects Appearance. move to sidebar hide 1992 United States House of Representatives ...
Dual polygon. Kite. In Euclidean geometry, an isosceles trapezoid (isosceles trapezium in British English) is a convex quadrilateral with a line of symmetry bisecting one pair of opposite sides. It is a special case of a trapezoid. Alternatively, it can be defined as a trapezoid in which both legs and both base angles are of equal measure, [1 ...
Look up trapezoid in Wiktionary, the free dictionary. In geometry, a trapezoid (/ ˈtræpəzɔɪd /) in North American English, or trapezium (/ trəˈpiːziəm /) in British English, [ 1 ][ 2 ] is a quadrilateral that has one pair of parallel sides. The parallel sides are called the bases of the trapezoid. The other two sides are called the ...
A diagram of the true and apparent position of a person in an Ames room, and the shape of that room. The true shape of the room is that of an irregular hexahedron: depending on the design of the room, all surfaces can be regular or irregular quadrilaterals, so that one corner of the room is farther from an observer than the other.