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From: Alexandre Eremenko (no email)
Date: Wed Apr 06 2005 - 13:48:42 EDT
On Wed, 6 Apr 2005, Herbert Prinz wrote:
> Or you may get a triangle in which the sum of the angles IS 180 degrees??
See my last message of April 6.
You can have 180 degrees ONLY in the case of a "degenerate" triangle.
The one whose angles are 0, 0 and 180. (So it has no "interior").
This is because its area should be zero if the sum of the angles is 180.
Alex.
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