Dashboi1 Dashboi1

17-01-2018
Mathematics

contestada

Please help me with 5c). The answer is 633cm^2 but Im not sure how to get it

Please help me with 5c The answer is 633cm2 but Im not sure how to get it class=

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onedirectionrul onedirectionrul

17-01-2018

A = 2πrh + 2πr^2 is the formula. Where A = surface area, r = radius, and h = height. So all we need to know is the outer radius, which is 3.5. Hope this helps you.

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