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A trapezoid (or trapezium, depending on regional terminology) is a type of quadrilateral, which means it is a polygon with four sides. In a trapezoid, at least one pair of opposite sides is parallel. The two parallel sides are referred to as the bases, while the other two sides are called the legs.

Ancestors (6)

  1. Elementary shapes
  2. Elementary geometry
  3. Elementary mathematics
  4. Fields of mathematics
  5. Mathematics
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