Question

The length of a rectangular plot of
land is 50 m and its width is 30 m.
A triple fence has to be put along its
edges. If the wire costs 60 rupees per
metre, what will be the total cost of the
wire needed for the fence?​

Answer 1

Answer:

₹28800

Explanation:

perimeter = 2 (50 + 30) = 2 * 80 = 160 m

triple fence length = 3 * 160 = 480 m

cost of wire = 480 * 60 = ₹28800

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Answer 2

Answer:

• The total cost of the wire needed for the fence is Rs 28800.

Explanation:

Given that:

Dimensions of a rectangular plot:

• Length = 50 m

• Breadth = 30 m

To Find:

• What will be the total cost of the wire needed for the fence?

Finding the perimeter of the rectangular plot:

We know that,

Perimeter = 2 (Length + Breadth)

⟶ Perimeter = 2 (50 + 30)

⟶ Perimeter = 2 × 80

⟶ Perimeter = 160

∴ Perimeter of the rectangular plot = 160 m

Finding the total length of wire:

A triple fence has to be put along its edges.

• Total length to be fenced = 3 × 160 m

• Total length to be fenced = 480 m

Finding the total cost of wire:

The wire costs 60 rupees per metre.

• 1 m of wire costs = Rs 60

• 480 m of wire costs = Rs (60 × 480)

• 480 m of wire costs = Rs 28800

∴ The total cost of wire needed for the fence = Rs 28800

Answer: The total cost of wire needed for the fence is Rs 28800.

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