The cost of cultivating a rectangular field at the rate of Rs, 3 per square metre is Rs.
1728. If the breadth of the field is 18 m , find the cost of fencing the field at Rs. 8.5 per
metre.
Answers
Answer:
The cost fencing is ₹850.
Step-by-step explanation:
Rate of Cultivating Rectangular field = ₹3 x Area of Rectangular Field
Here it is given that rate of cultivating field is ₹1728
∴ 3 x Area Of Rectangular Field = 1728
Area of Rectangular field =
= 576
We know that,
Breadth of the field = 18m
Area of the field = L x B
576 = L x 18
L =
L = 32m
So we found that he length is 32m.
Perimeter of Rectangle = 2(l+b)
= 2(32+18)
= 2 x 50
= 100m
Cost of Fencing = ₹8.5 x Perimeter
= ₹8.5 x 100
= ₹850
∴The cost fencing is ₹850.
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