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What is a square? Simple geometry

By |2018-04-23T16:01:49+00:00July 29th, 2017|Math|

This is a square. The darker purple line is the perimeter of the square. A square is a flat shape, in one plane, defined by four points at the four corners. A square has four sides all of equal length, and four corners, all right angles (90 degree angles). So a square is a kind of rectangle. To figure [...]