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Triangle Area from Inradius and Semiperimeter (visual proof)

This is a short, animated visual proof showing that the area of a triangle is given by the product of the inradius and the semiperimeter of the triangle. #manim #math #mathvideo #mathshorts #geometry #circle #triangle #animation #theorem #pww #proofwithoutwords #visualproof #proof #incircle #inradius #incircle #semiperimeter This animation is included in the following sources: Proofs without Words II by Roger B. Nelsen (MAA, 2000) (https://bookstore.ams.org/clrm-14/) page 14 To learn more about animating with manim, check out: https://manim.community ____________________________________________________ Background music: Luminous Rain by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/... Source: http://incompetech.com/music/royalty-... Artist: http://incompetech.com/