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  • 04:08, 14 August 2025 JohnetteStelzer talk contribs created page Euclid s Proof Above Additionally Uses Subtraction (Created page with "<br>A shear is a transformation of a rectangle into a parallelogram which preserves one base and the corresponding height. One elementary fact about shears is that Shears preserve area. Since a shear takes a rectangle right into a parallelogram, this asserts also that: The area of a parallelogram is equal to the product of its base and top. That is Proposition I.35 of Euclid. It can be demonstrated in a number of ways, a few of which are suggested by the next footage. Th...")