It is currently 29 Jun 2017, 02:21

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.

Close

Request Expert Reply

Confirm Cancel

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

An equilateral triangle ABC is inscribed in the circle. If

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Senior Manager
Senior Manager
avatar
Joined: 24 Mar 2011
Posts: 447
Location: Texas
An equilateral triangle ABC is inscribed in the circle. If [#permalink]

Show Tags

New post 23 Apr 2011, 15:32
7
This post was
BOOKMARKED
00:00
A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

61% (02:52) correct 39% (01:16) wrong based on 100 sessions

HideShow timer Statistics

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: 194
Re: Geometry [#permalink]

Show Tags

New post 23 Apr 2011, 16:42
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: 1663
Location: United States (IN)
Concentration: Strategy, Technology
Premium Member Reviews Badge
Re: Geometry [#permalink]

Show Tags

New post 24 Apr 2011, 21:50
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)

GMAT Club Premium Membership - big benefits and savings

GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 09 Sep 2013
Posts: 16030
Premium Member
Re: An equilateral triangle ABC is inscribed in the circle. If [#permalink]

Show Tags

New post 20 Aug 2016, 02:47
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
_________________

GMAT Books | GMAT Club Tests | Best Prices on GMAT Courses | GMAT Mobile App | Math Resources | Verbal Resources

Director
Director
User avatar
G
Joined: 05 Mar 2015
Posts: 938
Re: An equilateral triangle ABC is inscribed in the circle. If [#permalink]

Show Tags

New post 01 Oct 2016, 21:05
agdimple333 wrote:
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



Ans C ..plz follow as attached below
Attachments

eq.png
eq.png [ 15.87 KiB | Viewed 427 times ]

Re: An equilateral triangle ABC is inscribed in the circle. If   [#permalink] 01 Oct 2016, 21:05
    Similar topics Author Replies Last post
Similar
Topics:
6 Experts publish their posts in the topic An equilateral triangle is inscribed in a circle, as shown above. What Bunuel 5 18 May 2017, 02:47
3 Experts publish their posts in the topic If a circle is inscribed in an equilateral triangle, what is the area Bunuel 4 03 Mar 2016, 04:38
38 Experts publish their posts in the topic In the figure shown, triangle ABC is inscribed in the circle. What is shakticnb 6 27 Sep 2016, 07:06
40 Experts publish their posts in the topic Circle O is inscribed in equilateral triangle ABC, which is Hussain15 19 16 Feb 2017, 19:36
16 Experts publish their posts in the topic Equilateral triangle BDF is inscribed in equilateral triangl Nusa84 13 03 May 2016, 00:03
Display posts from previous: Sort by

An equilateral triangle ABC is inscribed in the circle. If

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| 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®.