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What is the surface area of the rocket?

What is the surface area of the rocket?-example-1
User Sergeyf
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Answer:

Thus, the surface area equals S(r)=πr2+2πrl+πr54r=πr2(1+54)+2πr(14r2−r4)=94πr2+28πr−π2r2=74πr2+28πr.Jul 15, 2016

Explanation:

User SuperM
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