yes
A square, rhombus and rectangle
a three sided polygram
Not in general. A polygram - not poloygram - may be a rectangle, but need not be one.
A pentagon is a 5 sided polygon
A rectangle is a 4 sided quadrilateral
A rectangle pyramid is a 4 sided pyramid (4 sided in the triangles) with a base of a rectangle. An Egyptian pyramid is a great example of a rectangular pyramid.
a rectangle
No because an heptagon is a 7 sided polygon whereas a rectangle is a 4 sided polygon
A rectangle is classed as a 4 sided quadrilateral
Yes, a rectangle is a 4 sided quadrilateral
No a rectangle is not a square but they are both 4 sided quadrilaterals
A quadrilateral is a 4 sided shape as for example a 4 sided rectangle.