Yes
A right trapezoid has at least two right angles.
Yes.
Yes if it is a right trapezoid.
Trapezoids can have various angle configurations, but they do not necessarily have to have 2 obtuse and 2 acute angles. A trapezoid can have two acute angles and two obtuse angles, or it can have all angles being right angles in the case of a right trapezoid. The specific angles depend on the type of trapezoid and the lengths of the sides.
trapezoid
0 or 2.
trapezoid
0 or 2.
It can have 0 or 2 right angles, 1 or 2 acute or obtuse angles.
A trapezoid can have 2 right angles. Parallelograms, rhombuses, rectangles, and squares can have 4.
A trapezoid can have 2 right angles, an obtuse and an acute angle Or a kite.
It can have 2 right angles but normally none unless it is an isosceles trapezoid in which case it will have 2 pairs of congruent base angles