Stewart's Theorem

Stewart's Theorem relates the length of the sides of a triangle to a cevian of the triangle: b2m + c2n = a(d2 + mn) where a, b, and c are lengths of sides of the triangle and m and n are the lengths of the segments into which a is divided by the cevian.

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Stewart's Theorem. 2001-01-01. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/s/stewartstheorem.html.

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