Find all School-related info fast with the new School-Specific MBA Forum

It is currently 24 Jul 2014, 04:25

Close

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
Your Progress

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

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

An equilateral triangle ABC is inscribed in the circle. If

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Senior Manager
Senior Manager
avatar
Joined: 24 Mar 2011
Posts: 469
Location: Texas
Followers: 4

Kudos [?]: 52 [0], given: 20

An equilateral triangle ABC is inscribed in the circle. If [#permalink] New post 23 Apr 2011, 14:32
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

86% (01:26) correct 14% (01:44) wrong based on 14 sessions
An equilateral triangle ABC is inscribed in the circle. If the length of the arc ABC is 24, what is the approximate diameter of the circle.

A) 5
B) 8
C) 11
D) 15
E) 19
[Reveal] Spoiler: OA
Manager
Manager
avatar
Joined: 14 Feb 2011
Posts: 198
Followers: 4

Kudos [?]: 57 [0], given: 3

GMAT Tests User
Re: Geometry [#permalink] New post 23 Apr 2011, 15:42
Since ABC is an equilateral triangle, arc ABC is 2/3 of circumference, so circumference equals 24*3/2 = 36

\pi * Diameter = 36 , so Diameter ~11
SVP
SVP
avatar
Joined: 16 Nov 2010
Posts: 1692
Location: United States (IN)
Concentration: Strategy, Technology
Followers: 30

Kudos [?]: 275 [0], given: 36

GMAT Tests User Premium Member Reviews Badge
Re: Geometry [#permalink] New post 24 Apr 2011, 20:50
24/pi*D = 240/360 (Angle subtended by arc ABC = 240)

=> D = 36/pi = 36/3.14 ~ 11

Answer - C
_________________

Formula of Life -> Achievement/Potential = k * Happiness (where k is a constant)

Get the best GMAT Prep Resources with GMAT Club Premium Membership

Re: Geometry   [#permalink] 24 Apr 2011, 20:50
    Similar topics Author Replies Last post
Similar
Topics:
1 A circle is inscribed in equilateral triangle ABC such that vr4indian 5 27 Sep 2008, 16:36
Equilateral triangle ABC is inscribed in the circle. If the SimaQ 1 12 Nov 2006, 04:10
Equilateral triangle ABC is inscribed inside a circle. Arc uphillclimb 2 14 Oct 2006, 11:48
A circle is inscribed in equilateral triangle ABC such that usman7 6 01 Oct 2006, 10:43
A circle is inscribed in equilateral triangle ABC so that saurya_s 2 29 Sep 2004, 03:49
Display posts from previous: Sort by

An equilateral triangle ABC is inscribed in the circle. If

  Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Privacy Policy| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

Powered by phpBB © phpBB Group and phpBB SEO

Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.