document.write( "Question 70769: I'm lost with this question. Can you help?\r
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document.write( "One side of a triangle is 2/3rds as long as the second side and the second side is 2/3rds as long as the third side. The perimeter = 95cm. What is the length of the longest side?\r
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document.write( "Would the equation be:\r
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document.write( "95 = X + (X x 2/3) + (X x 2/3)2/3\r
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document.write( "Is X the longest side and how do I find X?
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Algebra.Com's Answer #50527 by checkley75(3666) ![]() You can put this solution on YOUR website! S1=2/3*S2 \n" ); document.write( "S2=2/3*S3 \n" ); document.write( "S1+S2+S3=95 \n" ); document.write( "2/3*S2+2/3*S3+S3=95 \n" ); document.write( "2/3(2/3*S3)+2/3*S3+S3=95 \n" ); document.write( "4/9*S3+2/3*S3+S3=95 \n" ); document.write( "(4*S3)/9+(2*S3)/3+S3=95 \n" ); document.write( "(4*S3+2*3*S3+9*S3)/9=95 \n" ); document.write( "(4S3+6S3+9S3)/9=95 ADD THE LEFT HAND TERMS & CROSS MULTIPLY \n" ); document.write( "19S3=855 \n" ); document.write( "S3=855/19 \n" ); document.write( "S3=45 RDS. FOR THE THIRD (LONGEST) SIDE.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |