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Geometry |
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Authors: James A. Smith
Euclid proved (Elements, Book III, Propositions 20 and 21) proved that an angle inscribed in a circle is half as big as the central angle that subtends the same arc. We present a high-school level version of Hestenes' GA-based proof ([1]) of that same theorem. We conclude with comments on the need for learners of GA to learn classical geometry as well.
Comments: 8 Pages.
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[v1] 2020-12-16 11:15:46
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