Math, asked by nikhil9843, 1 month ago

The sides of a rectangular field are in the ratio 3:4 and its area 7500 sq m. The cost
of fencing it at 25 paise per metre is​

Answers

Answered by manojkumarsm308
1

Answer:

Rs.37.5

Step-by-step explanation:

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Answered by Shalineeabhiarya
2

Answer:

87.5 rupees

Step-by-step explanation:

The sides of a rectangular field are in the ratio 3:4

= length - 4x , breadth -3x

its area 7500 sq m

= area = length x breadth

= 7500= 3x X 4x

= 7500= 12x²

= x²= 7500/12

= x²= 625

= x= √625

= x= 25

length= 3x = 3X 25= 75

breadth= 4x= 4X 25= 100

perimeter= 2X (length+ breadth)

= 2X (75+100)

= 2X 175

= 350

The cost of fencing it at 25 paise per metre is

= 25X 350 = 8750 paise

8750 paise = 8750/100 = 87.5 rupee

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