document.write( "Question 286259: The three sides of a triangle are 7, 24, and 30 units long. Is the triangle acute, right or obtuse? You must support your answer with computations. \n" ); document.write( "
Algebra.Com's Answer #207581 by dabanfield(803)![]() ![]() ![]() You can put this solution on YOUR website! For background see the link below:\r \n" ); document.write( "\n" ); document.write( "http://mathworld.wolfram.com/ObtuseTriangle.html\r \n" ); document.write( "\n" ); document.write( "Let a = 7, b = 24 and c = 30.\r \n" ); document.write( "\n" ); document.write( "a^2 = 49, b^2 = 624 and c^2 = 900\r \n" ); document.write( "\n" ); document.write( "If the triangle is a right triangle then a^2 + b^2 = c^2 \n" ); document.write( "Since 7^2 + 24^2 is not equal to 30^2 it's not a right triangle. \r \n" ); document.write( "\n" ); document.write( "Since 7^2 + 24^2 is less than 30^2 the triangle is obtuse \n" ); document.write( " |