Art of Problem Solving

Isosceles trapezoid: Difference between revisions

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* congruent diagonals
* congruent diagonals


* 2 pairs of congruent angles
* 2 pairs of congruent [[angles]]


* one pair of congruent sides
* one pair of congruent sides

Revision as of 09:33, 18 April 2019

An isosceles trapezoid is a geometric figure that lies in a plane. It is a specific type of trapezoid in which the legs have the same length. Its properties include:

  • congruent diagonals
  • one pair of congruent sides
  • opposite angles are supplementary
  • the segment joining the midpoints of the bases is perpendicular to the bases

[asy]draw((0,1)--(1,5)--(3,5)--(4,1)--cycle);[/asy]

An isosceles trapezoid.

See Also