document.write( "Question 353559: If a, b and c are the sides of a triangle, and a^2 + b^2 + c^2 = bc + ca + ab, then the triangle is\r
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document.write( "a. equilateral b. isosceles c. right-angled d. obtuse-angled \n" );
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Algebra.Com's Answer #252729 by sofiyac(983)![]() ![]() You can put this solution on YOUR website! a) equilateral \n" ); document.write( "say each side is x, so when you follow the formula you will get a=b=c=x \n" ); document.write( " \n" ); document.write( " |