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The circle above, with center C, has been divided into four congruent
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12 Mar 2021, 03:56
12 Mar 2021, 03:56
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GRE The circle above, with center C,.jpg [ 15.19 KiB | Viewed 2310 times ]
The circle above, with center C, has been divided into four congruent regions, each with area equal to \(9\pi\). What is the length of segment AB (not shown)?
\(6\)
\(6 \sqrt{2}\)
\(6\sqrt{3}\)
\(6 \pi\)
\(9 \sqrt{2}\)
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
Re: The circle above, with center C, has been divided into four congruent
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12 Mar 2021, 07:02
12 Mar 2021, 07:02
1
4 parts with each having area \(9\pi\) , so total area of the circle = \(36\pi\)
From area we can get the radius r = 6
From the figure CA = CB = 6
So using Pythagoras theorem,
AB = 6\(\sqrt{2}\)
Answer B
From area we can get the radius r = 6
From the figure CA = CB = 6
So using Pythagoras theorem,
AB = 6\(\sqrt{2}\)
Answer B
gmatclubot
Re: The circle above, with center C, has been divided into four congruent [#permalink]
12 Mar 2021, 07:02
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