Question

The area of a rectangular garden of length 40 m is thousand square metre find the breadth of the garden and its perimeter the garden is to be enclosed by three rounds of fencing leaving and entrance of 4 m find the cost of fencing the garden at the rate of 250 rupees per metre

Answer 1

Area of rectangular garden=l×b
So, 1000=40×b
=1000/40=b
=25=b
Breath is 25m.

Perimetre of rectangular garden=2(l+b)
=2(40+25)
=2×65
=130m

Leaving entrance=130-4
=126m

Fencing three rounds of 126m=3×126
=378m

Cost of fencing 378m
=250×378
=Rs.9,450