Question

the length and breadth of a rectangular field are 100 m and 75 m respectively.find the perimeter and area of the field . also find the cost of fencing it at the rate of Rs5 per metre.​

Answer 1

Hi !

Length = 100m and breadth = 75 m

Area = l x b = 100 x 75 = 7500 $m^{2}$

Perimeter =  2(l+b) = 2 ( 100+75) = 2 x 175

perimeter = 350m

cost of fencing = perimeter x cost of one metre

cost = 5 x 350

cost = Rs. 1750

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Answer 2

Step-by-step explanation:

area of a rectangular field= l×b

= 100× 75

= 7500m^2

perimeter of a rectangular field= 2(l+b)

= 2(100+75)

= 2× 175

= 350m

cost of fencing= 350× 5

= ₹ 1750

hope this will help you