they can be any size but have to be the same shape
parallelograms, rectangles, rhombus, square
by measuring both rectangles
It depends. The word paralellogram covers the whole family of both squares and rectangles.
The solid shape/figure that has six rectangles as faces is called a rectangular prism. The general term for any shape with six faces, regardless of shape is a hexahedron.
8
rectangles
yes
circle
Cuboid
rectangles and circles
Squares and rectangles always have, but anyshapewith more than 3 sides can have 2 right angles.