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This image is a derivative work of the following images: File:RP_vowel_chart_(diphthongs).gif licensed with PD-self . 2008-01-03T04:02:36Z Aeusoes1 882x660 (10868 Bytes) == Summary == {{Information |Description=IPA vowel chart for [[w:Received Pronunciation|Received Pronunciation]] diphthongs |Source=self-made, based on charts taken from page 242 of Roach, Peter, "Received Pronunciation" in '
Usually, there is a pattern of even distribution of marks on the chart, a phenomenon that is known as vowel dispersion. For most languages, the vowel system is triangular. Only 10% of languages, including English, have a vowel diagram that is quadrilateral. Such a diagram is called a vowel quadrilateral or a vowel trapezium. [2]
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In geometry, a trapezoid (/ ˈ t r æ p ə z ɔɪ d /) in North American English, or trapezium (/ t r ə ˈ p iː z i ə m /) in British English, [1] [2] is a quadrilateral that has at least one pair of parallel sides. [3] The parallel sides are called the bases of the trapezoid.
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
The following other wikis use this file: Usage on ar.wikipedia.org شبه منحرف; Usage on bn.wikipedia.org ট্রাপিজিয়াম
Dia has special objects to help draw entity-relationship models, Unified Modeling Language (UML) diagrams, flowcharts, network diagrams, and simple electrical circuits. It is also possible to add support for new shapes by writing simple XML files, using a subset of Scalable Vector Graphics (SVG) to draw the shape.
The trapezium is an irregular-shaped carpal bone found within the hand. The trapezium is found within the distal row of carpal bones, and is directly adjacent to the metacarpal bone of the thumb . On its ulnar surface are found the trapezoid and scaphoid bones.