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

Redeem
TTP OnDemand GMAT Video Course
Featured Course

Target Test Prep GMAT OnDemand

Scott Woodbury-Stewart’s private virtual classroom — 400 hours of master-class video lessons for the GMAT Focus Edition.

  • 715+ score guarantee — highest in the industry (99th percentile)
  • 52 chapters · 1,500+ lessons · 4,000+ practice questions
  • 400 hours of video · 1,500+ instructor-led HD smartboard lessons
  • 300,000+ students accepted to Harvard, Stanford, Wharton, Booth & Sloan & more
  • 24/7 live support + weekly Zoom office hours with GMAT instructors
  • TTP AI Assist — 24/7 AI-powered virtual tutor for instant help
  • 1,200+ flashcards + AI-powered study assistant & daily calendar
  • OnDemand, LiveTeach & GMAT Bootcamp formats available
  • Also: GRE, SAT Math & Executive Assessment courses
  • MBA Admissions Consulting now available
  • 🏆 2025 EdTech Breakthrough Award: Test Prep Solution Provider of the Year
  • 200,000+ students served
  • 5-day free trial — $0 to start, no auto-billing, cancel anytime
★★★★★ 5.0 (559 reviews)
130-pt guarantee
$0 to start then $127/mo
Start Free 5-Day Trial Read 559 Reviews →

Geometry + DS

Expert replies
Post new topic Post Reply
Previous Topic Next Topic
User avatar
Legendary Member
Posts: 1132
Joined: Mon Jul 20, 2009 3:38 amFollowed by: 6 members
Location: India
Thanked: 64 times
GMAT Score:760
by harsh.champ » Thu Feb 04, 2010 6:06 am
What is the length of the side AB of triangle ABC?

(X) AB <= AC = 2, and area of triangle ABC is 2
(Y) Exactly two sides have integer length

___________________________
Seeking advice regarding the problem approach!!
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Source: — Data Sufficiency |
User avatar
Senior | Next Rank: 100 Posts
Posts: 90
Joined: Fri Jan 22, 2010 1:10 pmFollowed by: 4 members
Location: New Jersey
Thanked: 13 times
GMAT Score:640

by Mom4MBA » Thu Feb 04, 2010 6:15 am
I think the answer is E
Stay focused
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Senior | Next Rank: 100 Posts
Posts: 50
Joined: Tue Oct 13, 2009 1:25 am
Thanked: 14 times
GMAT Score:720

by November Rain » Thu Feb 04, 2010 3:54 pm
Hi,

I'm not sure about this question but.... couldn't it be C?

With statement 1 and 2 the only triangle i can think of is an isosceles triangle with angles 45-45-90 wich would mean that AB = AC = 2 and BC = square root of 2.
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
User avatar
Legendary Member
Posts: 1132
Joined: Mon Jul 20, 2009 3:38 amFollowed by: 6 members
Location: India
Thanked: 64 times
GMAT Score:760

by harsh.champ » Thu Feb 04, 2010 4:13 pm
November Rain wrote:Hi,

I'm not sure about this question but.... couldn't it be C?

With statement 1 and 2 the only triangle i can think of is an isosceles triangle with angles 45-45-90 wich would mean that AB = AC = 2 and BC = square root of 2.
_______________
Hi November Rain,
If we consider it to be an isosceles right angled triangle ,taking AB=AC=2,we get the hypotenuse BC as (2*root2) not (root2).I guess,you missed out on that part.
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
User avatar
GMAT Instructor
Posts: 3650
Joined: Wed Jan 21, 2009 4:27 amFollowed by: 80 members
Location: India
Thanked: 267 times
GMAT Score:760

by sanju09 » Fri Feb 05, 2010 5:28 am
harsh.champ wrote:
November Rain wrote:Hi,

I'm not sure about this question but.... couldn't it be C?

With statement 1 and 2 the only triangle i can think of is an isosceles triangle with angles 45-45-90 wich would mean that AB = AC = 2 and BC = square root of 2.
_______________
Hi November Rain,
If we consider it to be an isosceles right angled triangle ,taking AB=AC=2,we get the hypotenuse BC as (2*root2) not (root2).I guess,you missed out on that part.
Yes, but November Rain has still made a very good point. If we take the two statements together, there's no possibility other than that, AB = 2.

[spoiler]½ * 2 * 2 = 2[/spoiler].

[spoiler]C[/spoiler]
The mind is everything. What you think you become. -Lord Buddha



Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001

www.manyagroup.com
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Senior | Next Rank: 100 Posts
Posts: 50
Joined: Tue Oct 13, 2009 1:25 am
Thanked: 14 times
GMAT Score:720

by November Rain » Fri Feb 05, 2010 12:02 pm
Hi sanju09,

Well, to be honest, when i took another look at the question... I started having second thoughts. Why couldn't be just A?

If we counsider that AC is the base and it's equal to 2, then the height needs to be 2 as well.

Now, either AB is the height and therefore its 2, or it is higher than the height (because otherwise it can't be a triangle). Since statement 1 tell us that AB <= 2, then AB has to be 2.


What's the OA? Does anyone know?
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
User avatar
GMAT Instructor
Posts: 3650
Joined: Wed Jan 21, 2009 4:27 amFollowed by: 80 members
Location: India
Thanked: 267 times
GMAT Score:760

by sanju09 » Sat Feb 06, 2010 2:35 am
November Rain wrote:Hi sanju09,

Well, to be honest, when i took another look at the question... I started having second thoughts. Why couldn't be just A?

If we counsider that AC is the base and it's equal to 2, then the height needs to be 2 as well.

Now, either AB is the height and therefore its 2, or it is higher than the height (because otherwise it can't be a triangle). Since statement 1 tell us that AB <= 2, then AB has to be 2.


What's the OA? Does anyone know?
oh yes
The mind is everything. What you think you become. -Lord Buddha



Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001

www.manyagroup.com
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Post new topic Post Reply
• Page 1 of 1