Question

What is a right trapezoid?

Answer 1

A right trapezoid is a trapezoid with at leas two right angles.

Explanation:

A trapezoid is a quadrilateral with at least one pair of parallel sides. It is right if at leat one of the non-parallel sides is perpendicular to both parallel sides

If you have a quadrilateral `ABCD` where: `AB||CD` then it is a trapezoid with bases: `AB` and `CD`

If additionally `AD` is perpendicular to `AB` (and perpendicular to `CD`) then the trapezoid `ABCD` is right