Posted by Brandi on Sunday, October 18, 2009 at 9:55pm.
Is it always true, sometimes true, or never true that a regular quadrilateral have 2 or more obtuse exterior angles?

math  Reiny, Sunday, October 18, 2009 at 10:06pm
I can construct a quadrilateral with interior angles of 91,91,91, and 87
giving me one obtuse exterior angle.
I can construct a quadrilateral with interior angles of 89,89,89, and 93
giving me three obtuse exterior angles.
What do you think?

math  Brandi, Sunday, October 18, 2009 at 10:14pm
I see that it would be always true if I understand correctly

math  Reiny, Sunday, October 18, 2009 at 10:16pm
but ...
I gave you an example where there was only ONE obtuse exterior angle.

math  vivek, Sunday, November 8, 2009 at 5:22am
we have problem it'sa regular quadilateral example given by u is not correct
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