Question

if the length and breadth of a rectangle are in the ratio 5:3and it's perimeter is 144m, find the area of the rectangle​

Answer 1

Answer:

let l=5x

b=3x

perimeter of rectangle=144m

2(l+b)=144

2(5x+3x)=144

16x=144

x=144/16

x=9

l=5*8=40

b=3*8=24

Answer 2

ans.1215per meter square