GMAT Question of the Day: Daily via email | Daily via Instagram New to GMAT Club? Watch this Video

 It is currently 24 May 2020, 22:18

### 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

# If all the faces of pyramid P (including the base) are equilateral tri

Author Message
TAGS:

### Hide Tags

Math Expert
Joined: 02 Sep 2009
Posts: 64068
If all the faces of pyramid P (including the base) are equilateral tri  [#permalink]

### Show Tags

01 Aug 2017, 12:23
00:00

Difficulty:

35% (medium)

Question Stats:

73% (01:17) correct 27% (01:48) wrong based on 16 sessions

### HideShow timer Statistics

If all the faces of pyramid P (including the base) are equilateral triangles of side 2, what is the surface area of pyramid P?

A. 4+(3√3)/4
B. 4√3
C. 4+3√3
D. 6√3
E. 12

_________________
VP
Joined: 07 Dec 2014
Posts: 1252
Re: If all the faces of pyramid P (including the base) are equilateral tri  [#permalink]

### Show Tags

01 Aug 2017, 12:54
Bunuel wrote:
If all the faces of pyramid P (including the base) are equilateral triangles of side 2, what is the surface area of pyramid P?

A. 4+(3√3)/4
B. 4√3
C. 4+3√3
D. 6√3
E. 12

4 equilateral triangles with sides of 2=
8 right triangles with bases of 1 and heights of √3
8*1/2*1*√3=4√3
B
Intern
Joined: 03 Jul 2015
Posts: 6
Re: If all the faces of pyramid P (including the base) are equilateral tri  [#permalink]

### Show Tags

01 Aug 2017, 12:56
B.

Area of equilateral triangle =say(3)/4 * a^2

Area of pyramid= 4*√3/4*2^2=4√3

Sent from my MotoG3-TE using GMAT Club Forum mobile app
Re: If all the faces of pyramid P (including the base) are equilateral tri   [#permalink] 01 Aug 2017, 12:56