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

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

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New post 12 Sep 2018, 00:47
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Question Stats:

75% (00:50) correct 25% (01:03) wrong based on 15 sessions

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If the lines shown in the picture touch the circle only at points A and B, what is the distance between point B and point C?

(1) The distance between point A and point C is 10 units.
(2) The distance between A and B is 4 units.


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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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New post 12 Sep 2018, 02:45
Bunuel wrote:
Image
If the lines shown in the picture touch the circle only at points A and B, what is the distance between point B and point C?

(1) The distance between point A and point C is 10 units.
(2) The distance between A and B is 4 units.


Attachment:
image004.gif


When tangent is drawn from an external point to the circle , the line segments formed are equal in length.

So, CA=CB

St1:- AC=10
Therefore, sufficient.

St2:- AB=4
Insufficient.

Ans. (A)
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Re: If the lines shown in the picture touch the circle only at points A an   [#permalink] 12 Sep 2018, 02:45
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If the lines shown in the picture touch the circle only at points A an

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