Deriving an angle from three points

Mark Wieder mwieder at
Wed Dec 16 13:43:58 EST 2009


Wednesday, December 16, 2009, 2:07:46 AM, you wrote:

> By the way again, Mark's method is also correct if you fix the variable names
> as shown below.
> Normally a triangle with points ABC have their sides named with side b
> between A and C so it is opposite angle B...etc.

Quite correct. In my defense, it was one in the morning here after a
long day...

-Mark Wieder
 mwieder at

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