A square or quadrilateral.
a square, quadrilateral or a cube.
No. A quadrilateral is any polygon (closed shape) with 4 sides and 4 corners. It doesn't need to be a regular polygon either (like a square or rectangle). It really is just any closed shape made up of 4 sides and 4 corners.
An example is an A4 sheet of paper. There is a right-angle in each corner, 4 right-angle in total. So, basically, an angle in a shape is a change of direction.
a square of course
A square and a rectangle both have 4 right angle corners.
either a square or a rectangle
tetrahedron is a 4 faced 3d shape.
is either a Quadilateral or a square if there all equal which they probably are, so a square
a 4 sided 3d shape is called a triangular prism!!!!!!!!!!!!!!!
Such a shape does not exits. See the attached link for all 3d shapes with 6 plane faces.
A square or rectangular based pyramid is a 3D shape with 5 corners or points. It also has 4 triangular flat flaces, one square/retangular face and 8 straight edges.
There are 4 corners in a flat rectangle and 8 corners in a 3d rectangle(rectangular prism).Four.