Question 55

A closed aquarium of dimensions 30 cm × 25 cm × 20 cm is made up entirely of glass plates held together with tapes. The total length of tape required to hold the plates together (ignore the over lapping tapes) is

Solution

The length of glass tape required will be the sum of lengths of all the edges. Hence total length required will be  4(30+25+20)=300 cms of total tape will be required


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