Sujet: obtuse liste de sujets
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	The angles of a triangle		2009-03-11
		Marissa pose la question : The angles in a triangle measure 7x-1, 18x+2, and 5x+10. Determine whether the triangle is acute, obtuse, or right. State your reasons clearly. Robert Dawson lui répond.
	Classifying a triangle		2008-02-07
		kevin pose la question : scalene triangle 8 ft base right side 9.5 left side 12 ft what is the angles Penny Nom lui répond.
	Can an equilateral triangle have an obtuse angle?		2006-03-26
		Chris pose la question : Can an equilateral triangle have an obtuse angle? I'm thinking not, because all sides must be equal, but does that also imply that all angles are equal? Stephen La Rocque lui répond.
	Each interior angle of a particular polygon is an obtuse angle...		2005-02-22
		Victoria pose la question : Each interior angle of a particular polygon is an obtuse angle which is a whole number of degrees. What is the greatest number of sides the polygon could have? Walter Whiteley lui répond.
	The law of cosines and obtuse angles		2002-05-09
		Bryant pose la question : The question that I am pondering is that I need to derive the law of cosines for a case in which angle C is an obtuse angle. Penny Nom lui répond.

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