They can be as for example in an isosceles trapezoid.
Yes, an isosceles trapezoid is one example.
No. A quadrilateral is any four-sided figure. A trapezoid is one example of a quadrilateral.
trusses on a bridge
a takeout box
A quadrilateral polygon
How about a square as one example.
How about a trapezoid as an example.
a parallelogram is always a example of a rectangle a rhombuz and a trapezoid
Not always take a trapezoid for example.
Cross-section of a trough, a wheelbarrow, some rooves.