trapezoid
trapazoid
It could be a right angle triangle
The question does not make any sense. "Adjacent" means next to. A shape cannot be next to itself, and if it is next to another shape, then you have two shapes. "perpendicular" means at right angles (or 90 degrees) to. Again, a shape cannot be perpendicular to itself.
square
It fits the description of a right angle triangle
trapazoid
It could be a right angle triangle
The question does not make any sense. "Adjacent" means next to. A shape cannot be next to itself, and if it is next to another shape, then you have two shapes. "perpendicular" means at right angles (or 90 degrees) to. Again, a shape cannot be perpendicular to itself.
The question does not make any sense. "Adjacent" means next to. A shape cannot be next to itself, and if it is next to another shape, then you have two shapes. "perpendicular" means at right angles (or 90 degrees) to. Again, a shape cannot be perpendicular to itself.
square
It fits the description of a right angle triangle
shape no pairs of perpendicular sides
A rhombus has parallel lines but no perpendicular lines.
xfchfh
Square.
A polygon with four or more sides can meet these requirement.
The shape that fits this description is a cylinder. A cylinder has curved surfaces and no flat faces with parallel or perpendicular edges, yet its circular bases are parallel to each other, and the edges around the circumference can be considered to be perpendicular to the axis of the cylinder. Thus, while it lacks traditional faces with parallel or perpendicular edges, it still contains elements that exhibit these characteristics.