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

Redeem

If 3 and 8 are the lengths of two sides of a triangular region, which of the following can be the length of the third...

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Moderator
Posts: 2599
Joined: Sun Oct 29, 2017 2:08 pm
Followed by:2 members

If 3 and 8 are the lengths of two sides of a triangular region, which of the following can be the length of the third...

by AAPL » Mon Feb 08, 2021 3:46 am

Timer

00:00

Your Answer

A

B

C

D

E

Global Stats

GMAT Paper Tests

If 3 and 8 are the lengths of two sides of a triangular region, which of the following can be the length of the third side?

I. 5
II. 8
III. 11

A. II only
B. III only
C. I and II only
D. II and III only
E. I, II, and III

OA A
Top
Source: — Problem Solving |

GMAT/MBA Expert

User avatar
GMAT Instructor
Posts: 16207
Joined: Mon Dec 08, 2008 6:26 pm
Location: Vancouver, BC
Thanked: 5254 times
Followed by:1268 members
GMAT Score:770

Re: If 3 and 8 are the lengths of two sides of a triangular region, which of the following can be the length of the thir

by Brent@GMATPrepNow » Mon Feb 08, 2021 5:50 am
AAPL wrote: ↑
Mon Feb 08, 2021 3:46 am
 GMAT Paper Tests

If 3 and 8 are the lengths of two sides of a triangular region, which of the following can be the length of the third side?

I. 5
II. 8
III. 11

A. II only
B. III only
C. I and II only
D. II and III only
E. I, II, and III

OA A
IMPORTANT RULE: If two sides of a triangle have lengths A and B, then . . .
difference between sides A and B < third side < sum of sides A and B

So, for this question: 8 - 3 < third side < 8 + 3
Simplify: 5 < third side < 11

So, the third side must be LONGER than 5 and SHORTER than 11
Answer: A
Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
Image
Top
Post new topic Post Reply
• Page 1 of 1