A square or a rectangle.
I think this is impossible the diagonals of a four sided figure will cross
square, rectangle and an isosceles trapezoid
parellelogram
It is an 8 sided octagon whose 8 interior angle add up to 1080 degrees and has 20 diagonals
a square _ |_|
494.5
A prism.A prism.A prism.A prism.
A six sided figure whose lengths are not all equal in size.
oblique prism
A cube has three pairs of parallel faces and all faces are congruent.
i dont know but i want it answer,,,,,,,,,,,,,,,,,,
its a shape