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26cm squared

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Perimeter is a linear measure. The answer should be in centimetres, not cm squared. And 26 cm is too small.

An A4 sized book would be 21 cm wide by 30 cm long (approx) giving a perimeter of 2*(21+30) = 102 cm. It need not be A4 size but 26 cm is simply not credible.

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13y ago

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