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Perimeter of Square and Rectangle

A rectangular...

Question

A rectangular playground which is $250 m$ long and $20 m$ broad is to be fenced with wire.How much wire needed?

A

270 m

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B

230 m

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C

540 m

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D

none

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Solution

The correct option is C $540 m$
Wire needed would be perimeter of the playground:
We know,
Perimeter of rectangle: $2 (l + b)$
$= 250 + 20 + 250 + 20 = 540 m$

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