BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

PS 1000-Section 3 #20

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Source: — Problem Solving |
User avatar
Community Manager
Posts: 789
Joined: Sun Jan 28, 2007 3:51 pm
Location: Silicon valley, California
Thanked: 30 times
Followed by:1 members

Re: PS 1000-Section 3 #20

by jayhawk2001 » Mon May 07, 2007 7:43 pm
lavanya_25 wrote:Hi,

Please help me with is problem.....

Thanks!
Lavanya
Area of equilateral triangle = 1/4*sqrt(3)*a^2 = 9/4*sqrt(3)

Triangle ABE is a 30-60-90 triangle with sides in ratio 1:sqrt(3):2
So area of ABE = 1/2*1*sqrt(3)

Area of quad = 9/4*sqrt(3) - 1/2*sqrt(3) = 7/4*sqrt(3)
Top
Legendary Member
Posts: 559
Joined: Tue Mar 27, 2007 1:29 am
Thanked: 5 times
Followed by:2 members

by Cybermusings » Tue May 08, 2007 2:27 am
Answer is 7/4* sqr rt 3
Top
Post new topic Post Reply
• Page 1 of 1