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Quant Circle Question

PrachiR

Intern

Joined: 24 Feb 2018

Posts: 15

Quant Circle Question [#permalink]

24 Feb 2018, 21:43

Hey Guys,

Can anyone please help me solve this question?

We need to find the length of AB.

Please provide the explanation to the answer as well.

Thanks in Advance

>> !!!

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Carcass

Verbal Expert

Joined: 18 Apr 2015

Posts: 17861

GRE 1: Q160 V160

Re: Quant Circle Question [#permalink]

26 Feb 2018, 13:06

Expert Reply

Please post the question in the right manner.

it is a quantitative comparison question, a single answer choice...what ??
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AchyuthReddy

Intern

Joined: 15 Sep 2017

Posts: 34

Re: Quant Circle Question [#permalink]

10 Sep 2018, 22:53

PrachiR wrote:

Hey Guys,

Can anyone please help me solve this question?

We need to find the length of AB.

Please provide the explanation to the answer as well.

Thanks in Advance

If A,B are centers of circle then 7cm line and 10cm line will be tangents to A,B respectively. So, the triangle is right angled at joining of 10cm and 7cm line.
\((AB)^2 = 10^2 + 7^2\)
AB = \(\sqrt{149}\)