You might be talking about cubism - art made with squares and squared shapes.
art
An art appraiser would be able to tell you if a piece of art was real or a forgery. They can also determine the value.
It is called the Civilization Wall.
The answer is: elements of art
Actually it was (art) for an answer Behind part (Crossword homework: Weighty Matter)
Pythagoras was an ancient Greek famous for establishing what we call the "Pythagorean Theorem" (a squared + b squared = c squared)
If a number is to the power of 2 it is "squared". The number that is squared is the "root".
A square-pyramid
The square of the speed of light, which is virtually 300,000 kps so call it 90,000,000,000 kilometres per second; near enough for wiki.
The Degenerate Art Show
art building
arterian
It is not, so the question is irrelevant.
It is squared as for example 5*5 = 25
a squared dozen?? the printers measure is a ream
An art history student.
art