a matchbox is 4 cm long,2.5 cm broad and 1.5 cm in height. it's outer side are to be covered exactly with craft paper. how much paper will be required to do so?
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aliyashaikh18:
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Answered by
30
Since According to the details, its a cuboid.
Total surface area = 2 (4 × 2.5 + 4 × 1.5 + 2.5 × 1.5)
= 2 (10 + 6 + 3.75)
= 2 (19.75)
= 39.50 cm^2
thats the answer
Hope it helps
Total surface area = 2 (4 × 2.5 + 4 × 1.5 + 2.5 × 1.5)
= 2 (10 + 6 + 3.75)
= 2 (19.75)
= 39.50 cm^2
thats the answer
Hope it helps
are you sure
Yes
Since they ask to cover the whole outer part, whereas the other answer is lateral surface,which is wrong
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