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# In the figure shown, AB is a diameter of the circle and O is the cente

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Math Expert
Joined: 02 Sep 2009
Posts: 64232
In the figure shown, AB is a diameter of the circle and O is the cente  [#permalink]

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09 Aug 2019, 01:34
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Difficulty:

5% (low)

Question Stats:

89% (00:38) correct 11% (00:48) wrong based on 55 sessions

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In the figure shown, AB is a diameter of the circle and O is the center of the circle. What is the value of circumference of the circle?

(1) A = (3, 4)
(2) The diameter of the circle is 10.

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2019-08-09_1332.png [ 26.9 KiB | Viewed 614 times ]

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Joined: 25 Jun 2018
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Re: In the figure shown, AB is a diameter of the circle and O is the cente  [#permalink]

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09 Aug 2019, 02:04
(1) since we know origin of the circle and point A on the circle. R*2=x*2+y*2 so R will be 5 here. Sufficient to find circumference.

(2) since we know the diameter, we can find R. Sufficient to find circumference.

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Re: In the figure shown, AB is a diameter of the circle and O is the cente   [#permalink] 09 Aug 2019, 02:04