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What is the greatest distance between any two points on a cylinder wit

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What is the greatest distance between any two points on a cylinder wit [#permalink]

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New post 10 Sep 2016, 10:46
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What is the greatest distance between any two points on a cylinder with radius 4 and height 8?

a) 10
b) sqrt128
c) 12
d) 6
e) 7
[Reveal] Spoiler: OA

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What is the greatest distance between any two points on a cylinder wit [#permalink]

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New post 10 Sep 2016, 10:56
PawanRamnani1234 wrote:
What is the greatest distance between any two points on a cylinder with radius 4 and height 8?

a) 10
b) sqrt128
c) 12
d) 6
e) 7


The greatest distance will be the distance of diagonally opposite points. So, we can have a right angled triangle such that Height is 8 and radius is 8.

So, using Pythagoras theorem, we have \(sqrt(8^2 + 8^2 ) = sqrt(128)\).

Hence, answer B.
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Re: What is the greatest distance between any two points on a cylinder wit [#permalink]

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New post 10 Sep 2016, 13:32
PawanRamnani1234 wrote:
What is the greatest distance between any two points on a cylinder with radius 4 and height 8?

a) 10
b) sqrt128
c) 12
d) 6
e) 7


Attachment:
download.png
download.png [ 7.1 KiB | Viewed 621 times ]


Use Pythagorus theorem -

Greatest distance is the diameter of the ( Square / Rectangle) = \(\sqrt{(8^2) + (8^2)}\) =>\(\sqrt{128}\)

Answer will be (B)

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Re: What is the greatest distance between any two points on a cylinder wit [#permalink]

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Re: What is the greatest distance between any two points on a cylinder wit   [#permalink] 24 Sep 2017, 10:57
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