geometria

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In a triangle ABC, m∠B = 120º; AB = a and BC = b; the interior bisector BD is drawn, calculate the length of the said bisector

Guest Jun 25, 2021

edited by Guest Jun 25, 2021

UsernameTooShort · Answer 1 · 2021-06-26T12:23:09

i would use this formula:

$BD=\frac{2\times a\times b}{a+b}\sin(120)$

:D