document.write( "Question 1003095: if AB is 4 cm longer than BC and the perimeter of ABCD is 68 cm, find the measures of AB,BC,CD and AD \n" ); document.write( "
Algebra.Com's Answer #619941 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "I am assuming this is a rectangle. \n" ); document.write( "Make the width = 'x' (BC) \n" ); document.write( "Length = 4 + x (AB) \n" ); document.write( "Perimeter of a rectangle = \n" ); document.write( "2 x Width + 2 x Length \n" ); document.write( "68 = 2(x) + 2(4 + x) \n" ); document.write( "68 = 2x + 8 + 2x \n" ); document.write( "Collect like terms \n" ); document.write( "2x + 2x = 68 - 8 \n" ); document.write( "4x = 60 \n" ); document.write( "x = 15 \n" ); document.write( "AB = CD = 19 cm \n" ); document.write( "BC = AD = 15 cm \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |