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the total surface area of the cylinder in the diagram
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27 Aug 2022, 03:52
27 Aug 2022, 03:52
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Question Stats:
61% (01:03) correct
38% (01:01) wrong based on 21 sessions
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Attachment:
GRE Prep Club Geometry challenge (2).jpg [ 11.08 KiB | Viewed 2251 times ]
Quantity A |
Quantity B |
the total surface area of the cylinder in the diagram |
82 cm^2 |
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
Part of the project: GRE Quantitative Comparison GEOMETRY+Tricky Questions - Special Summer Edition (2022)
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GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
GRE Math Essentials (2022)
GRE Geometry Formulas
GRE - Math Book
Re: the total surface area of the cylinder in the diagram
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03 Sep 2022, 14:52
03 Sep 2022, 14:52
Can someone please explain why it says the correct answer is B?
the total surface area of the cylinder in the diagram
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Updated on: 05 Sep 2022, 10:25
Updated on: 05 Sep 2022, 10:25
1
The curved Surface area is
2 * pie * r * h = 24 * pie
For the openings or lids,
Area of two circles = 2 * pie * r^2
T.S.A = 26 * pie = 81.68 m^2
The option B might be incorrectly mentioned in cm instead of meters
2 * pie * r * h = 24 * pie
For the openings or lids,
Area of two circles = 2 * pie * r^2
T.S.A = 26 * pie = 81.68 m^2
The option B might be incorrectly mentioned in cm instead of meters
Originally posted by eltonpereira on 05 Sep 2022, 09:56.
Last edited by eltonpereira on 05 Sep 2022, 10:25, edited 1 time in total.
Last edited by eltonpereira on 05 Sep 2022, 10:25, edited 1 time in total.
