Question

Find the length of the iron fence required to fence a square piece of land whose side is 19m

Answer 1

Given : Side of a square piece of land is 19cm

To Find : Length of the iron fence required to fence it.

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❍ For finding the length of the iron fence required to fence it, we've to find the perimeter of the square piece of land.

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As we know that :

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$\star \: \: \underline{\boxed{\sf\pink{Perimeter_{(square)} = 4 \times side}}} \:$

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Put the value of side of the square piece of land in the formula.

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$\sf:\implies \: Perimeter_{(square)} = 4 \times side \\ \\ \\ \sf:\implies \: Perimeter_{(square)} = 4 \times 19 \\ \\ \\ \sf:\implies \: \underline{\boxed{\mathfrak\purple{Perimeter_{(square)} = 76 \: {cm}}}} \: \bigstar \\ \\ \\ \\ \sf\therefore{\underline{Hence, \: the \: length \: of \: the \: iron \: fence \: required \: to \: fence \: a \: square \: piece \: of \: land \: whose \: side \: is \: 19m \: is \: \bold{76 \: cm}.}}$

Answer 2

Answer:

Required Length of fence = 76 m

Step-by-step explanation:

Solution-

The required length of iron fence equals to the perimeter of the square piece.

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So, let's find the perimeter of the square piece of land first.

$\underline{\boxed{\sf\purple{Perimeter_{(square)} = 4 × side}}}$

$19 \times 4 \\ \\ = 76 \: m$

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The perimeter of the land is = 76m

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Required length of fence= 76m