An open box is formed by cutting off equal squares from the four corners of a rectangular sheet
folding up the sides. Given that the rectangular sheet measures 60 cm by 40 cm and the sides of
squares cut off are 4 cm each, find the total surface area of the box.
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Answer:
5600
Step-by-step explanation:
T.S.A of cuboid :-2( lb+bh+hl)
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