rhombus
square
no it is a 4 dimensional figure not a 3 dimensional figure * * * * * No. A quadrilateral is a two dimensional figure. It has a length and a breadth and no more.
A Rhombus
irregular trapezoid
triangle
rhombus (although the angles can technically be right angles as well)
a two dimensional figure is flat. it only has length and width. three dimensional figures have length, width and height. A square is a 2 dimensional figure, but a cube is a 3 dimensional figure.
You are a rhombus.
triangle
A rhombus
When the 3-d shape is a prism and the cross section is in a plane at right angles to the length of the prism.
a square :D