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A rectangle is a four sided polygon with four right angles and two pairs of parallel side. [Equal sides is not required since it is implied by parallel and right angles].
a rhombus, a quadrilateral without right angle, a quadrilateral with equal opposite parallel sides but no right angles
parallelogram
It could be an isosceles triangle that is not right angles; an isosceles trapezium, a trapezium where one of the parallel sides is equal to one of the sloped sides; any irregular polygon with 5 or more sides where two are equal, and no right angles.
A rhombus - or parallelogram.
A rectangle is a four sided polygon with four right angles and two pairs of parallel side. [Equal sides is not required since it is implied by parallel and right angles].
a rhombus, a quadrilateral without right angle, a quadrilateral with equal opposite parallel sides but no right angles
A parallelogram is a four sided polygon with opposing parallel sides of equal length. Then if it has four right angles, the polygon becomes a rectangle.
Answera polygon that has two right angles and one set of parallel lines is a hexagon
A right trapezoid is a four-sided polygon with two right angles and two parallel sides.
The given description fits that of a square which has 4 equal sides, opposite sides are parallel and it has 4 interior right angles
parallelogram
A polygon with 4 or more sides can meet these requirements.
It could be an isosceles triangle that is not right angles; an isosceles trapezium, a trapezium where one of the parallel sides is equal to one of the sloped sides; any irregular polygon with 5 or more sides where two are equal, and no right angles.
A rhombus - or parallelogram.
There is nothing because if the shape has only four sides and that means two sets that are parallel, the angles will have to be right ones. Unless it's not a polygon that is. I take it back maybe a parallelogram.
A parallelogram has 2 pairs of parallel sides.