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... > geometry > geometric figure > polygon > quadrilateral > trapezoid > isosceles trapezoid

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isosceles trapezoid  

Definition

  • An isosceles trapezoid is a trapezoid where the base angles have the same measure. As a consequence the two legs are also of equal length and it has reflection symmetry. This is possible for acute trapezoids or right trapezoids (as rectangles).
    (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Trapezoid#Special_cases)

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http://data.loterre.fr/ark:/67375/PSR-F444HMDC-N

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