Answers

2016-02-14T18:36:35+05:30
TSA of box (without the top)
= lb + 2bh + 2hl
= (150×125 + 2×125×65 + 2×65×150)sq. cm
= 18750 + 16250 + 19500
= 54500 sq. cm

Area of required plastic sheet = 54500 sq. cm

HOPE THIS HELPED☺☺
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