Question

The length and breadth of a rectangular park are in the ratio of 9:11. If it's area is 891meter square, find its perimeter

Answer 1

Answer: let the sides be x

length = 9x and breadth = 11x

area of the reactangle = lxb

891 m sq = 9x X 11x

891m sq = 99x^2

891/99= 9    = 3

hence the value of x = 3

length = 9x3 = 27

breath = 11x3 =33

perimeter of the rectangle = 2[l+b]

2[ 27+33} = 2[ 60] = 120 m

so the perimeter of the rectangle is 120 m