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The three circles have the same center. The radii of the cir
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23 Jan 2019, 16:04
23 Jan 2019, 16:04
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Question Stats:
81% (00:48) correct
18% (01:08) wrong based on 132 sessions
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The three circles have the same center. The radii of the circles are 3, 4, and 5.
#GREpracticequestion The three circles have the same center. The radii of the circles are.jpg [ 19.04 KiB | Viewed 11687 times ]
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.
Attachment:
#GREpracticequestion The three circles have the same center. The radii of the circles are.jpg [ 19.04 KiB | Viewed 11687 times ]
Quantity A |
Quantity B |
The area of the shaded region |
The area of the stripped region |
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.
Re: The three circles have the same center. The radii of the cir
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25 Jan 2019, 02:53
25 Jan 2019, 02:53
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The shaded region is the area of the outermost circle excluding the area of the two inner circles which the area of the outer circle comprises as well.
area of shaded region = \(pi (5)^2 - pi (4)^2\)
which is \(25pi - 16 pi = 9 pi\)
The area of the stripped region is the area of the small circle which is
\(pi *(3)^2\)
area of shaded region = \(pi (5)^2 - pi (4)^2\)
which is \(25pi - 16 pi = 9 pi\)
The area of the stripped region is the area of the small circle which is
\(pi *(3)^2\)
Re: The three circles have the same center. The radii of the cir
[#permalink]
29 Jun 2024, 23:50
29 Jun 2024, 23:50
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