GRE Prep 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
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
The sides of a triangle have lengths 1, 2 and x. If x is an integer, w
[#permalink]
26 May 2021, 04:43
26 May 2021, 04:43
Expert Reply
00:00
Question Stats:
67% (00:34) correct
32% (00:34) wrong based on 31 sessions
Hide Show timer Statistics
The sides of a triangle have lengths 1, 2 and x. If x is an integer, what is the value of x?
(A) 5
(B) 4
(C) 3
(D) 2
(E) 1
(A) 5
(B) 4
(C) 3
(D) 2
(E) 1
Retired Moderator
Joined: 10 Apr 2015
Posts: 6218
Given Kudos: 136
The sides of a triangle have lengths 1, 2 and x. If x is an integer, w
[#permalink]
26 May 2021, 04:57
26 May 2021, 04:57
1
Carcass wrote:
The sides of a triangle have lengths 1, 2 and x. If x is an integer, what is the value of x?
(A) 5
(B) 4
(C) 3
(D) 2
(E) 1
(A) 5
(B) 4
(C) 3
(D) 2
(E) 1
IMPORTANT RULE: If two sides of a triangle have lengths A and B, then . . .
|A - B| < third side < A + B
So, we can write: |2 - 1| < x < 2 + 1
Simplify: 1 < x < 3
Since x must be an integer, x must equal 2
Answer: D
RELATED VIDEO
Re: The sides of a triangle have lengths 1, 2 and x. If x is an integer, w
[#permalink]
26 May 2021, 05:26
26 May 2021, 05:26
1
2-1 < third side < 2+1
1 < x <3
so it must be 2, bcoz its an integer
1 < x <3
so it must be 2, bcoz its an integer
