Question

the length of one side of a rectangle is 3m longer than its adjacent side and the perimeter of the rectangle is 66m.find its length and breadth.

Answer 1

perimeter= 2[l+b]

2[x+3+x]=66

4x+6=66

4x=60

x=15

length=15+3=18

breadth=15

Answer 2

Let the breadth be b
Length = b+3
Perimeter = 2(l+b) = 66
2(b+3+b) = 66
2(2b+3) = 66
2b+3= 33
2b= 30
b = 15m
Length of other side is b+3 = 15+3
= 18m