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# If the lines shown in the picture touch the circle only at points A an

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Math Expert
Joined: 02 Sep 2009
Posts: 58453
If the lines shown in the picture touch the circle only at points A an  [#permalink]

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17 Oct 2019, 02:11
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(N/A)

Question Stats:

71% (01:05) correct 29% (01:31) wrong based on 13 sessions

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If the lines shown in the picture touch the circle only at points A and B, what is the circumference of the circle?

(1) The distance between C and A is 8
(2) The distance between A and the center of the circle is 6 units.

Attachment:

image001 (1).gif [ 2.01 KiB | Viewed 121 times ]

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Re: If the lines shown in the picture touch the circle only at points A an  [#permalink]

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17 Oct 2019, 03:09
Bunuel wrote:

If the lines shown in the picture touch the circle only at points A and B, what is the circumference of the circle?

(1) The distance between C and A is 8
(2) The distance between A and the center of the circle is 6 units.

Attachment:
image001 (1).gif

Asked: If the lines shown in the picture touch the circle only at points A and B, what is the circumference of the circle?

(1) The distance between C and A is 8
The radius of the circle is unknown
NOT SUFFICIENT

(2) The distance between A and the center of the circle is 6 units.
Radius of the circle = 6 units
Circumference of the circle = $$36 \pi$$ units
SUFFICIENT

IMO B
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Re: If the lines shown in the picture touch the circle only at points A an   [#permalink] 17 Oct 2019, 03:09
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