Question

The length and breadth of a rectangular field are in the ratio 11:9.If it's breadth is 27m,find its length and perimeter.​

Answer 1

Answer:

The length and breadth of a rectangular field are in the ratio 11:9.If it's breadth is 27m,find its length and perimeter.

Answer 2

$\huge\bf\fbox\red{Answer:-}$

Let the length of rectangular field

= lx and breadth = 4x

2(l + b) = Perimeter

2(7x + 4x) = 440 m

2(11x) = 440 m

22x = 440 m

x = 440/22

x = 11 m

∴ Length = 7x = 7 × 11 = 77 m

Breadth = Ax = 4 × 11 = 44 m

Cost of fencing per m = ₹150

Cost of fencing 440 m

= ₹150 x 440

= ₹66,000.