Question

The cost of fencing a rectangular field ₹8.50 per meter is ₹850 if its length is 32m find its breadth.​

Answer 1

Answer:

total cost = 850 rps

Perimeter of the field = 850/8.5 = 100 m

Perimeter = 2(l+b)

100 = 2(32+b)

50 = 32+b

b = 50-32 = 18 m

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Answer 2

Answer:

formula of perimeter of a rectangle:2(length+breadth)

perimeter of the cost of meter is 8.50

and total cost =850

then to find total number of meter

we need to take the perimeter because they told fencing.... fencing goes around the ground so it is perimeter

we should divide 850by8.50

850/8.50

which is 100 meter

so perimeter is 100 meter

length .as given 32 meter

if we substitute this number in the formula for perimeter of rectangle we get .

2(32+breadth)=100

64+2breadtg=100

2 breadth =100-64

breadth=36/2

breadth=18 meter

Explanation:

hope it was helpful