Hi. How to prove that equation:
Additional informations:
and are heights of acute-angled triangle .
Illustration: http://i.imgur.com/9O8Bm.jpg
I would really appreciate any help.
Hi. How to prove that equation:
Additional informations:
and are heights of acute-angled triangle .
Illustration: http://i.imgur.com/9O8Bm.jpg
I would really appreciate any help.
First point is that most of the diagram is unnecessary.
If you don't need or
If you don't need or
Further, and serve no purpose.
All that you need is the triangle and the perpendiculars and
Using Pythagoras twice, with the triangles and
Now repeat that sequence using the triangles and
Having done that, add the resulting equation to the one that's just been derived.