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# If the length of the arc XYZ in the above figure is 5π, what is the ar

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Math Expert
Joined: 02 Sep 2009
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If the length of the arc XYZ in the above figure is 5π, what is the ar  [#permalink]

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14 Nov 2017, 01:14
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Difficulty:

15% (low)

Question Stats:

100% (00:49) correct 0% (00:00) wrong based on 16 sessions

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If the length of the arc XYZ in the above figure is 5π, what is the area of the circle?

(A) 400π
(B) 200π
(C) 100π
(D) 200
(E) 100

Attachment:

2017-11-14_1156_004.png [ 7.4 KiB | Viewed 379 times ]

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Re: If the length of the arc XYZ in the above figure is 5π, what is the ar  [#permalink]

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14 Nov 2017, 02:02
C.100pi
Arc is the quarter of the circle O. Hence (1/4)*2.pi.r=5.pi
Hence r=10.
Area = 100.pi

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Re: If the length of the arc XYZ in the above figure is 5π, what is the ar &nbs [#permalink] 14 Nov 2017, 02:02
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# If the length of the arc XYZ in the above figure is 5π, what is the ar

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