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quadrangles means four-angled object but mostly a rectangular one
a trapezoid has 4 angles but only two sides are parallel
So a trapezoid can be a quadrangles but not all trapezoids are quadrangels
On another hand all quadrangles are trapezoid
no it is not
a shape
No, a trapezoid is not a parallelogram.
It is a trapezoid.
Two triangles
there are 0 right angles in a trapazoid
No.
No, it is not.
Diagonals.
Yes.
Not normally
A half. ½