A building would be a perfect example. If you simplify the details of a building, it becomes a rectangular prism. If you specifically mean a "square" prism, that would be a cube, an example of which would be a Rubik's Cube or a few dice.
An Amicelli box! THIS IS NOT TRUE IT IS HEXAGONAL!!
a doghouse
A real life example of a translation in math is a person sliding down a slide.
ATOMS are real life examples of atoms. They do exist.
No such thing as a 'Square' Pyramid. However, the Pyramids at Giza in Egypt have a square base, and four triangular sides that meet at a point. This is the classic form of a pyramid. NB A Triangular based pyramid is named a 'Tetrahedron', NOT a pyramid.
A pencil.
The Pentagon Department of defense office building
Pup tent or lean-to
There are few "real life" examples. Tin boxes, for Quality Street, for example, or eight-sided glasses are two.
electricians use the Square Root function when connecting 3 way outlets with the electral current of an intel processor.
A rhombus is anything that has four, connected, congruent sides. Some examples from everyday life may be a square box, a cracker, a kite, a diamond ect.
When measuring distance
There are a great many real life examples of negative good will. Stealing for a stranger's child to feed your child is a good example.
trusses on a bridge
A real life example of a line is a road. Other examples of lines include ball courts, driveways, roof tops, and buildings.
A railway track is a perfect example of a real life parallelogram.
A real life example of a line is lines painted on the roadways. These lines divide traffic. Lines are also found on graphic prints and sport fields.