07-04-2017
Mathematics

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please HELP me. I've been trying to solve this question for an hour but I didn't find any answer.

please HELP me Ive been trying to solve this question for an hour but I didnt find any answer class=

Respuesta :

07-04-2017

Volume of a cylinder is formulated as: π·r²h
Surface area of a cylinder is formulated as: 2π·rh + 2π·r²

So, for a:
Volume = π·5²·12 = π·25·12 = 300π
Surface area = 2π·5·12 + 2π·5² = 120π + 50π = 170π

And it's essentially the same process for the other questions.

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