Question

The length of a rectangle exceeds its breadth by 4m. If the perimeter of the rectangle is 84 m, find the length and breadth of the rectangle

Answer 1

let b=xm
l= x+4m
given perimeter of rectangle=84m
perimeter of rectangle = 2 (l+b)
84=2 (x+4 +x) m
84=2 (2x+4)
2x+4=84÷2
2x=42_4
x=38÷2=19

Answer 2

Answer:

the length of a rectangle exceeds it's breadth by 4m . the perimeter of the rectangle us 40m.its length and breadth are