Question

the length of rectangular field is thrice its breadth.if the perimeter of the feild is 72m, find its length and breadth

Answer 1

let the breadth of rectangle be x
length=3x
perimeter of rectangle=2(length+breadth) 72=2(x+3x)
72=8x
x=9
3x=27
length of rectangle is 27m and breadth of rectangle is 9m