Question

The area of rectangular plot is 391 m square and its length is 23 M breadth is 17 M find the cost of fencing it at the rate of Rs 20.50 per metre

Answer 1

Answer:

Step-by-step explanation:

Perimeter of rectangle = 2(l+b)

=> 2(23+17)

=> 2(40)

=> 80m

Cost of fencing at the rate of Rs.20.5 per metre.

=> 80*20.5

=> Rs.1640

Answer 2

perimeter of the rectangle =2(l+b)

2(23+17)=80m

Cost of fencing = 80m × Rs.20.50

= Rs. 1640

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