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triangles

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by Frankenstein » Mon Jun 06, 2011 11:03 am
Hi,
With this info. we can't find the third side. So we cant find the perimeter.
Cheers!

Things are not what they appear to be... nor are they otherwise
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by MBA.Aspirant » Mon Jun 06, 2011 11:17 am
divya23 wrote:if 2 sides are of lenth 2 and 5 find perimeter
9
15
19
none
[spoiler]ans = none[/spoiler]
The only things you can tell from this info. is that the third side of the triangle is between 3 and 7, 3 < x < 7, because of the rule that says the third side of the triangle has to be less than the sum of the other two sides, and more than their difference.

Thus the perimeter has to be between 2+5+3 < p < 2+5+7 i.e 10 < p < 14

Since none of the values stated fall within this range, the answer is none.
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by cans » Mon Jun 06, 2011 4:43 pm
2 lengths are given.
Insufficient information
IMO none
If my post helped you- let me know by pushing the thanks button ;)

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by kartik005 » Tue Jun 07, 2011 12:47 pm
The answer is none because there is a concept in traingles which states that "the sum of any two sides of a triangle should be greater than the third side", so since perimeter is given we can find out the third side and none of the answer choice fulfills our criteria.
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by [email protected] » Wed Jun 08, 2011 8:27 pm
Insufficient Information Hence None
IT IS TIME TO BEAT THE GMAT

LEARNING, APPLICATION AND TIMING IS THE FACT OF GMAT AND LIFE AS WELL... KEEP PLAYING!!!

Whenever you feel that my post really helped you to learn something new, please press on the 'THANK' button.
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by bubbliiiiiiii » Thu Jun 09, 2011 12:36 am
MBA.Aspirant has put it nicely.

Answer is none.
Regards,

Pranay
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