Question

Find the cost of fencing three times a rectangular field of dimension 90m by 72m at the rate of Rs. 25 per metre.

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

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$(for \: fencing \: we \: need \: to \: find \: the \: perimter)$

$perimeter \: of \: the \: rectangle \: = \: 2(l + b)$

$= > \: 2(90 + 72) \\ = > \: 2 \times 162 \\ = > 324$

$cot \: of \: fencing \: at \: rs.25 = \: (324 \times 25) \\ = > rs.8100$

$as \: it \: says \: thee \: times \: fencing \: = \: (8100 \times 3) \\ = > rs.24300$