Question

the area of a square plot is 6400 square metre . what will be the cost of fencing the plot at rupees 12.50 per metre​

Answer 1

Answer:

Step-by-step explanation:

area of square = s^2

      6400 = s^2

       √6400 = s

            s = 80 m

cost of fencing the plot = 4s x 12.50

                                        = (4 x 80) x 12.50

                                        = 320 x 12.50 = ₹4000

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Answer 2

Answer :-

=> Cost of Fencing = 4,000 Rupees

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Given :-

• Area of Square = 6400 m²

• Rate of Fencing = 12.50 Rupees per m

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To Find :-

• Cost of Fencing.

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Step By Step Solution :-

• First we will find the Length of Side.

☆ Area of Square = Side²

$= > 6400 \: {m}^{2} = {side}^{2} \\ \\ = > \sqrt[]{6400 \: {m}^{2} } = side \\ \\ = > 80 \: m = side$

Side = 80 m

• Now, we will find the Perimeter

☆ Perimeter of Square = 4 × Side

Perimeter = 4 × 80 m

Perimeter = 320 m

• Now we find the cost of Fencing.

☆ Cost of Fencing = Perimeter × Rate

Cost = 320 × 12.5

Cost = 4,000 Rupees.

Therefore Cost of Fencing = 4,000 Rupees.

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☆ Extra Information :-

• Area of Square = Side²

• Area of Rectangle = Length × Breadth

• Perimeter of Square = 4 × Side

• Perimeter of Rectangle = 2 ( L + B )

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