Question

the length and the breadth of a rectangular field is 120 metre and 80 metre find its area perimeter cost of fencing the field at the rate of rupees 3.50 perimeter and cost of plugging the field at the rate of rupees 16.50 per metre square​

Answer 1

Step-by-step explanation:

length = 120m

breadth = 80 metre

area =l×b = 120×80 = 9600m^2

perimeter = 2(l+b) = 2(120+80) = 2×200=400m

cost of fencing = per metre cost = rupees3.50

cost of 400m = 400×3.50 = rupees 1400

cost of plugging = 9600× 16.50 = rupees 158400

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