Area of a Trapezium

  • A trapezium (trapezoid) is a parallelogram which has one pair of parallel edges.
  • The parallel edges are called bases, those not parallel are legs.
  • The diagonals neither halve one another nor are perpendicular to one another.
  • The height is the perpendicular distance between the bases.


Trapezium Area of a trapezium
  • P – perimeter
  • A – area
  • a,c – bases
  • b,d – legs
  • h – height


Enter 3 values

a =
c =
h =

Round to decimal places

Area A =

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