A tissue box is 30cm long, 15 cm wide and 10 cm high. How many square cm of paper have been used to make the box
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Answer:
1800cm^2
Step-by-step explanation:
we know tota surface are of cuboid
=2(lb+bh+lh)
=2(30x15 + 15x10 + 10x30)
=2(450+150+300)
=2(900)
=1800cm^2
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