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单词 trapezia
释义

trapezian.

Etymology: < modern Latin trapezia, adjective feminine < trapezium n., used absolutely for trapezia figura trapezial figure or shape.
Obsolete.
A quadrilateral figure other than a parallelogram; the ‘trapezium’ of Euclid, comprising the later trapezium and trapezoid.
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the world > relative properties > number > geometry > shape or figure > [noun] > two-dimensional > quadrilateral > irregular
trapezium1570
trapezia1631
1631 De la Main (title) The making, description, and use of a small portable Instrument for the Pocket..in form of a mixt Trapezia thus called a Horizontall Quadrant.
1693 J. Wing Heptarchia Math. 64 A Table shewing the Area of Right-line Figures, as Squares, Triangles, and Trapezia's.
1752 A. Fletcher Universal Measurer i. 98 To reduce a Trapezia ABCD to a triangle.
1766 Compl. Farmer at Surveying Quadrangular figures..are either parallelograms or trapesias.
This entry has not yet been fully updated (first published 1914; most recently modified version published online March 2021).
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