orchardmews500 orchardmews500

21-07-2017
Mathematics

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How wide must insulation be to wrap around a 10 inch square duct?

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musiclover10045 musiclover10045

21-07-2017

perimeter of a 10 square

is 10 x 4 = 40 inches

so insulation needs to be at least 40 inches wide

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