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The diameters of the smaller and larger circles above are 6 and 8, res
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20 Oct 2021, 09:25
20 Oct 2021, 09:25
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91% (00:50) correct
8% (00:19) wrong based on 12 sessions
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Attachment:
GRE circle (3).jpg [ 15.5 KiB | Viewed 1863 times ]
The diameters of the smaller and larger circles above are 6 and 8, respectively. The two circles have the same center. What is the shaded area?
\(4\pi\)
\(7\pi\)
\(8\pi\)
\(9\pi\)
\(16\pi\)
Re: The diameters of the smaller and larger circles above are 6 and 8, res
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21 Oct 2021, 13:25
21 Oct 2021, 13:25
Carcass wrote:
Attachment:
GRE circle (3).jpg
The diameters of the smaller and larger circles above are 6 and 8, respectively. The two circles have the same center. What is the shaded area?
\(4\pi\)
\(7\pi\)
\(8\pi\)
\(9\pi\)
\(16\pi\)
Shaded area is difference in area between two circles
\( = \pi*4^2 - \pi*3^2\)
\( = \pi*16 - \pi*9\)
\( = \pi*7\)
Answer is B)
gmatclubot
Re: The diameters of the smaller and larger circles above are 6 and 8, res [#permalink]
21 Oct 2021, 13:25
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