Question

12. The total cost of boundary wall of a rectangular plot of land is rupees16650 at the rate of rupees225 per metre. If the breadth of the plot is 12 m, find the length of the plot. Answer-L=25m
please solve
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Answer 1

Answer:

15m

Step-by-step explanation:

first to find perimeter

16650/225= 74 m

P= 2(l+b)

74=2(l+b)

74=21+24

taken 24to the other side of

74-24=21

30=21

L=15m

Answer 2

explanation:

cost of boundary wall of a plot = 16650

rate of boundary wall of a plot = 225 per meter

boundary of wall = 16650/225 m

                            =  74 m

now, the length of the plot be x

the b of the plot is = 12

perimeter = 2(l + b) = 74

-> x + 12 =74/2

-> x + 12 = 37

-> x = 37 - 12

-> x = 25

Therefore length is equal tp 25