Seudónimo Seudónimo

10-04-2017
Mathematics

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what is the surface area if the height is 30 and the diameter is 14

what is the surface area if the height is 30 and the diameter is 14 class=

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Crystal89 Crystal89

10-04-2017

First you find out what the radius is, which is diameter divided by 2 (7 in this case). Then you use the formula
A=2πrh+2πr2. A=2πrh+2πr2=2·π·7·30+2·π·72≈1627.34499. Then you can round it to whatever it's asking.

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