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If a solid right circular cylinder with height 9 and radius
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19 Sep 2018, 17:57
19 Sep 2018, 17:57
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Question Stats:
69% (01:31) correct
30% (01:34) wrong based on 53 sessions
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If a solid right circular cylinder with height 9 and radius 2 is cut as shown into three new cylinders, each of equal and uniform height, how much new surface area is created?
(A) \(4\pi\)
(B) \(12\pi\)
(C) \(16\pi\)
(D) \(24\pi\)
(E) \(36\pi\)
Re: If a solid right circular cylinder with height 9 and radius
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10 Apr 2019, 07:53
10 Apr 2019, 07:53
Wouldn't it be 0?
Re: If a solid right circular cylinder with height 9 and radius
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13 May 2020, 13:27
13 May 2020, 13:27
With the cylinder being cut, 4 new circles are added to the surface area. The area of each circle is 4π. with 4 circles, the total surface area increases by 16π
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