It is currently 30 Nov 2020, 23:46

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Quant Circle Question

Author Message
Intern
Joined: 24 Feb 2018
Posts: 15
Followers: 0

Kudos [?]: 1 [0], given: 0

Quant Circle Question [#permalink]  24 Feb 2018, 21:43
Hey Guys,

We need to find the length of AB.

>> !!!

You do not have the required permissions to view the files attached to this post.

Founder
Joined: 18 Apr 2015
Posts: 13927
GRE 1: Q160 V160
Followers: 315

Kudos [?]: 3687 [0], given: 12945

Re: Quant Circle Question [#permalink]  26 Feb 2018, 13:06
Expert's post
Intern
Joined: 15 Sep 2017
Posts: 34
Followers: 0

Kudos [?]: 18 [1] , given: 2

Re: Quant Circle Question [#permalink]  10 Sep 2018, 22:53
1
KUDOS
PrachiR wrote:
Hey Guys,

We need to find the length of AB.

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 = $$\sqrt{149}$$
Re: Quant Circle Question   [#permalink] 10 Sep 2018, 22:53
Display posts from previous: Sort by