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Tetragon vs Trapezoid - What's the difference?

tetragon | trapezoid |

As nouns the difference between tetragon and trapezoid

is that tetragon is a quadrilateral while trapezoid is a (convex) quadrilateral with two (non-adjacent) parallel sides.

tetragon

English

Noun

(en noun)
  • (geometry, rare) A quadrilateral.
  • An aspect of two planets with regard to the Earth when they are distant from each other ninety degrees, or a quarter-circle.
    • (Hutton)

    Usage notes

    Although consistent with pentagon, hexagon, etc., this term is not common; quadrilateral is the more common term.

    Anagrams

    *

    trapezoid

    English

    (wikipedia trapezoid)

    Noun

    (en noun)
  • (geometry, US) A (convex) quadrilateral with two (non-adjacent) parallel sides.
  • (geometry, British) A convex quadrilateral with no sides parallel and no equal sides.
  • (anatomy) The trapezoid bone of the wrist.

    • Synonyms

    * (sense) (British) trapezium * (sense) irregular quadrilateral, (US) trapezium

    Derived terms

    * trapezoidal