A shape with opposite sides parallel and of the same length and four right angles is a rectangle.
A rectangle has 4 sides not the same length and 4 right angles.
a shape that's sides a not the same length and angles are not the same degree
isosceles triangle has two sides equal in length and two angles of the same measure;
A hexagon has all six sides in equal length and all angles in equal measure.
No shape has four equal sides and four different angles - either there are two pairs of equal angles, or all four angles are the same; or all sides are not the same length.
a rhombus. :)