No shape has only 1 parallel side.
A trapezoid is a 4-sided shape, or quadrilateral, with only 2 parallel sides; it does not necessarily have to have 2 right angles. (In the UK a trapezoid is called a trapezium.)
In North America, a trapezium is a quadrilateral with 0 (no) parallel sides.
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A right angle triangle.
i think its a PARALLELOGRAM
a right triangle, a pentagon w/ a right angle, alot of shapes with right angles.
It fits the description of a right angle triangle
It could be a right angle triangle