https://prepswift.gregmat.com/quizzes/quiz/prepswift-types-of-quadrilaterals (Question 2)
for the question:Which information is sufficient, by itself, to determine whether a trapezoid is also a rectangle?
Isnt this information:
Two of the angles are 90∘.
also sufficient to determine that the trapezoid is also a rectangle as the two right angles will force the other two angles to also be 90 degress, irrespective of their location?