Question

find the total surface area of closed cardboard box of length 0.5 m breadth 25 cm and height 15 CM

Answer 1

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Answer 2

TSA of cuboid=2(lb+bh+hl)
=2(50*25+25*15+15*50)
=2(1250+375+750)
=2(2375)
=4750 sq. cm