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# If the lines CA and CB shown in the picture touch the circle with cent

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Math Expert
Joined: 02 Sep 2009
Posts: 55271
If the lines CA and CB shown in the picture touch the circle with cent  [#permalink]

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12 Sep 2018, 00:48
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Difficulty:

(N/A)

Question Stats:

70% (01:23) correct 30% (01:12) wrong based on 30 sessions

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If the lines CA and CB shown in the picture touch the circle with center O only at points A and B what is the length of AD?

(1) The length of BD is 5.
(2) The radius of the circle is 7.

Attachment:

image009.gif [ 2.78 KiB | Viewed 301 times ]

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Re: If the lines CA and CB shown in the picture touch the circle with cent  [#permalink]

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12 Sep 2018, 04:49
Bunuel wrote:

If the lines CA and CB shown in the picture touch the circle with center O only at points A and B what is the length of AD?

(1) The length of BD is 5.
(2) The radius of the circle is 7.

Attachment:
image009.gif

Question: What is the length of AD = ?

Statement 1: Length of BD = 5

SUFFICIENT

Statement 2: Radius of circle = 7

NOT SUFFICIENT

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Re: If the lines CA and CB shown in the picture touch the circle with cent   [#permalink] 12 Sep 2018, 04:49
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