Zero
A right trapezium.
A right trapezium. A right trapezium. A right trapezium. A right trapezium.
It could be a right trapezium, a kite, or an irregular quadrilateral with no specific name.
Usually two, but one if it is a right-angled trapezium.
Depending upon the trapezium, two or none: ....................................................................... ...------------.............................---------....... ...|.................\........................../..............\...... ...|.......A..........\......................./........B......\..... ...|.....................\..................../..................\.... ...----------------...................---------------... ....................................................................... Trapezium A has two; Trapezium B has none.
None or two.
None
Usually none.
A trapezium has 4 right angles...Correction: it has 4 angles but they are not right angles. A structure/shape with 4 right angles is a rectangle or square.
1.in a trapezium, only one pair of opposite sides are parallel. 2.in a trapezium, only one pair consecutive angels are supplementary.
Triangles:)
In a trapezium, there are two perpendicular lines. These perpendicular lines are the diagonals of the trapezium. The diagonals of a trapezium are the line segments that connect non-adjacent vertices of the trapezium and intersect each other at a right angle.