document.write( "Question 978686: Proove that a triangle must have two acute angle \n" ); document.write( "
Algebra.Com's Answer #600077 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The sum of the measures of the angles of a triangle is 180. An obtuse angle is greater than 90, so two obtuse angles must be greater than 180. Therefore there can only be at most one obtuse angle in a triangle, which is to say the other two angles must be acute.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it\r
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