TriangleCenter
AreaMethod
Intermediate
Let H be the orthocenter of acute △ABC. Show that a⋅BH⋅CH+b⋅CH⋅AH+c⋅AH⋅BH=abc
where a=BC,b=CA, and c=AB.
The solution for this problem is available for
$0.99.
You can also purchase a pass for all available solutions for
$99.