Question

The lenght of a rectangular feild is thrice its breath. If the area of the feild is 7500 m.Find the cost of fencing the feild at the rate of Rs.20 per meter​

Answer 1

Step-by-step explanation:

The cost of fencing is Rupees 4000.

Step-by-step explanation:

Let the breadth be x

so,

Length = 3x

Breadth = x

Area = 3x * x

= 3x²

so,

3x² = 7500

x² = 2500

x = √2500

x = 50

so,

Length = 3x = 3 * 50 = 150 meters

Breadth = x = 50 meters

Perimeter = 2 (150 + 50)

= 2 (200)

= 400 meters

Cost of fencing = Rupees 10/meter

= 10 * 400

= 4000

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Answer 2

Answer:

refer the attachment this is the correct answer ☝️☝️☝️

Step-by-step explanation:

Answer: The cost of fencing is Rupees 4000.