The Brocard
points V and W of ABC are the points verifying that the segments between
them and the vertices form the same angle with the sides: <VAB = <VBC
= <VCA, <ABW = <BCW = <CAW.
The former
six angles have the same measure w, and
cot
w = cot
A + cot B + cot C. The angle w
is
at most 30º.
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