Answer:
1.) A = 477.52
A=2πrh+2πr2=2·π·4·15+2·π·42≈477.52208
2.) A = 301.59
Using the formulas
A=πrl+πr2
l=r2+h2
Solving for A
A=πr(r+h2+r2)=π·6·(6+82+62)≈301.59289
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Answers & Comments
Answer:
1.) A = 477.52
A=2πrh+2πr2=2·π·4·15+2·π·42≈477.52208
2.) A = 301.59
Using the formulas
A=πrl+πr2
l=r2+h2
Solving for A
A=πr(r+h2+r2)=π·6·(6+82+62)≈301.59289