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sides have integer lengths

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by sanju09 » Fri Jul 23, 2010 3:38 am
A triangle has a perimeter 13. The two shorter sides have integer lengths equal to x and x + 1. Which of the following could be the length of the other side?
A. 2
B. 4
C. 6
D. 8
E. 10

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by kvcpk » Fri Jul 23, 2010 3:44 am
A triangle has a perimeter 13. The two shorter sides have integer lengths equal to x and x + 1. Which of the following could be the length of the other side?

when x=1
1,2,11.. Not possible
x=2
2,3,8.. not possible
x=3
3,4,6.. possible

pick C
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by gmatmachoman » Fri Jul 23, 2010 3:45 am
Pick C
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by selango » Fri Jul 23, 2010 3:52 am
1>thirdside<2x+1

2x+a=12


Only 6 satisfy the above 2 eqn
--Anand--
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by outreach » Fri Jul 23, 2010 4:00 am
C

LENGTH OF THIRD SIDE SHOULD BE GREATER THAN THE DIFFERENCE OF TWO OTHER SIDES
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