Asked by Theresa
The shorter edges of a 44cm x 25cm metal sheet are joined to form the curve surface of a cylinder. What is the volume of the cylinder? What is the area of metal sheet required to make the top and the bottom cylinder?
Answers
Answered by
Damon
h = 25
2 pi r = 44
so r = 22/pi
pi r^2 h = V = pi (22/pi)^2 (25)
area top = pi r^2
area bottom = pi r^2
so
area needed = 2 pi r^2 = 2 pi (22/pi)^2
Now of course sheets of metal usually come rectangular, not circular, so in real life some will get wasted.
2 pi r = 44
so r = 22/pi
pi r^2 h = V = pi (22/pi)^2 (25)
area top = pi r^2
area bottom = pi r^2
so
area needed = 2 pi r^2 = 2 pi (22/pi)^2
Now of course sheets of metal usually come rectangular, not circular, so in real life some will get wasted.
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.