allycarley4 allycarley4 02-10-2018 Mathematics contestada The rectangle below has a total perimeter of 143 m: Which of the following equations can be used to determine the length of the longer side of the rectangle? (a) x + 11 = 143 (b) 11x = 143 (c) 121x = 143 (d) 2x + 22 = 143