"What is the area? You should be able to solve this"

08082018, 01:11 PM
Post: #18




RE: "What is the area? You should be able to solve this"
Hi,
After attacking this with analytic geometry (?), and simplifying several times, I wanted to solve it using just geometry. Tough to wrap my head around, but I rotated the square to a diamond to set up xy axes vertical and horizontal, and ended up proving that opposite quads are equal... (see attachment) Tom 

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