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

 It is currently 06 May 2015, 15:15

### 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

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# ABCDE is a regular pentagon with F at its center. How many

Author Message
TAGS:
Manager
Joined: 09 May 2006
Posts: 99
Location: Bangalore, India
Followers: 2

Kudos [?]: 11 [0], given: 0

ABCDE is a regular pentagon with F at its center. How many [#permalink]  11 Jun 2006, 00:24
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
ABCDE is a regular pentagon with F at its center. How many different triangles can be formed by joining 3 of the points A, B, C, D, E and F?
Attachments

pent.gif [ 2.22 KiB | Viewed 423 times ]

Manager
Joined: 09 May 2006
Posts: 99
Location: Bangalore, India
Followers: 2

Kudos [?]: 11 [0], given: 0

surajch wrote:
6C3 or 6! / (3! x 3!) = 20 triangles

20 is correct. I messed up by not using the P&C approach
Similar topics Replies Last post
Similar
Topics:
5 Given that ABCDE is a regular pentagon, what is the measure of ∠ACE? 4 08 Mar 2015, 19:26
ABCDE is a regular pentagon with F at its center 0 27 Sep 2013, 08:46
6 ABCDE is a regular pentagon with F at its center. How many 7 27 May 2012, 08:43
11 ABCDE is a regular pentagon with F at its center. How many d 14 03 Nov 2009, 13:56
9 A regular pentagon is inscribed in a circle. If A and B are 20 23 Oct 2007, 13:04
Display posts from previous: Sort by