document.write( "Question 552285: Explain why the other two angles of a triangle must be acute if one angle is a right angle. \n" ); document.write( "
Algebra.Com's Answer #360204 by TutorDelphia(193)\"\" \"About 
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The total number of degrees in a triangle is 180.
\n" ); document.write( "a+b+c=180\r
\n" ); document.write( "\n" ); document.write( "If one of the angles is right, its value is 90 so the other two angles must add up to be 90
\n" ); document.write( "a+b+90=180
\n" ); document.write( "a+b=90\r
\n" ); document.write( "\n" ); document.write( "For two numbers positive numbers that aren't zero to add up to be 90 each must be less than 90
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