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Revision history of "File:Triangle area ratio lemma.jpg"

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  • (cur | prev) 03:56, 19 May 2024‎ Amitwa.exe (talk | contribs)‎ . . (182 bytes) (+182)‎ . . (If in a $\triangle ABC, D,E$ and $F$ are on $AB, BC, AC$ such that $AD:DB=1:a, BE:EC=1:b$ and $FC:FA=1:c$ Then $[DEF]=\left|\frac{[ABC](1+abc)}{(1+a)(1+b)(1+c)}\right|$)
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