Asked by kelvin
please guys help me this question, how to solve it.
Calculate the total surface area of a hollow cylinder whose radius is 15 cm and height is 20 cm.
(a)3297 cm^2 (b)1884 cm^2 (c) 3768 cm^2
State why you choose a,b or c?
Calculate the total surface area of a hollow cylinder whose radius is 15 cm and height is 20 cm.
(a)3297 cm^2 (b)1884 cm^2 (c) 3768 cm^2
State why you choose a,b or c?
Answers
Answered by
scott
2 π r h
b is close to the area of the outside of the cylinder (should be 1885)
c is twice b ... inside and outside (it is hollow)
a is outside plus both ends ... hollow but sealed
decisions , decisions ... pick one and "State why"
b is close to the area of the outside of the cylinder (should be 1885)
c is twice b ... inside and outside (it is hollow)
a is outside plus both ends ... hollow but sealed
decisions , decisions ... pick one and "State why"
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.