Question

5. a square piece of land has each side equal to 100m . if 3 layers of o metal wire have to be to fence it , what is the length of the wire needed?
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Answer 1

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Total wire required for three layers of fencing would be 1200m

• The given shape of land is square

• Side of square is given as 100 m

• Sides to be fenced are : - 4

• Total wire required for one layer of fencing would be 4*100 = 400m

• Total wire required for three layers of fencing would be 3*400 = 1200m

Answer 2

Answer:

• 1200 m

Step-by-step explanation:

Given

• Side of square land = 100 m.
• 3 layers of a metal wire are used to fence it.

To find

• Length of wire used.

Solution

⇛ Metal wire required to fence square piece of land will be equal to perimeter of square field.

• 4 × 100
• 400 m

Hence, the length of wire (1 layer) is 400 m.

Now, for 3 layers it will be,

• 3 × 400
• 1200 m

Hence, the length of wire needed is 1200 m.