Sorry, you either have more than one right angle or more than four sides.
Rhombus or paralellogram
a rhombus, a quadrilateral without right angle, a quadrilateral with equal opposite parallel sides but no right angles
right triangle
It is a right angle triangle
right angle triangle
Rhombus or paralellogram
Any polygon with 4 or more sides can always have a right angle.
a rhombus, a quadrilateral without right angle, a quadrilateral with equal opposite parallel sides but no right angles
right triangle
It is a right angle triangle
A right trapezoid is a four-sided polygon with two right angles and two parallel sides.
The parallel sides of a polygon are sides that are segments of parallel lines. A polygon need not have any parallel lines. A triangle, for example, is a polygon that cannot have parallel lines.
right angle triangle
A parallelogram has 2 pairs of parallel sides.
either an obtuse, acute, or right angle
A triangle.
None. Triangles do not have parallel sides