GMAT Question of the Day - Daily to your Mailbox; hard ones only

 It is currently 23 May 2019, 11:02

### 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

# The size of a television screen is given as the length of

Author Message
Intern
Joined: 24 Nov 2003
Posts: 29
Location: Champaign
The size of a television screen is given as the length of  [#permalink]

### Show Tags

28 Nov 2003, 07:35
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 3 sessions

### HideShow timer Statistics

The size of a television screen is given as the length of the screenтАЩs diagonal. If the screens were flat, then the area of a square 21-inch screen would be how many square inches greater than the area of a square 19-inch screen?

Can u post an explaination.

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Director
Joined: 14 Oct 2003
Posts: 566
Location: On Vacation at My Crawford, Texas Ranch

### Show Tags

28 Nov 2003, 08:17
2
These are square tellies. Just use the pythagorean theorm = a^2 + a^2 = c^2 (assuming a=b). simplifies to 2a^2=c^2 or a^2=c^2/2

19^2/2 = 180.5

21^2/2 = 220.5

difference is: 40

Hope this helps.
Intern
Joined: 24 Nov 2003
Posts: 29
Location: Champaign

### Show Tags

28 Nov 2003, 08:26
Thanks - I read the problem again after ur explaination - I overlooked the square screen - and that is where I got lost.

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.
Non-Human User
Joined: 09 Sep 2013
Posts: 11005
Re: The size of a television screen is given as the length of  [#permalink]

### Show Tags

29 Aug 2018, 10:54
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
_________________
Re: The size of a television screen is given as the length of   [#permalink] 29 Aug 2018, 10:54
Display posts from previous: Sort by