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Anonymous No. 16262948

I discovered a proof of the formula for the length of an angle bisector in a triangle using the angle bisector theorem and the cosine rule, along with a whole lot of algebraic manipulation.

Anonymous No. 16262957

No, you probably didn't.

Anonymous No. 16263008

>>16262948
If you aren’t a black high schooler nobody gives a shit

europe :D No. 16263238

r/notinteresting

Anonymous No. 16263646

>>16262948
Length is not dependent on angle.

Anonymous No. 16263814

BC = a, AB = b, AC = c, AD = d

d = √(bc(b + c - a)(b + c + a))/(b + c)

Anonymous No. 16263862

>>16263814
>Let triangle ABC be such that BC=AB+AC
your formula stinks ass faggot

Anonymous No. 16264037

>>16263862
Rude.

Anonymous No. 16264045

>>16264037
rude but not wrong