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# Vertices of a triangle have coordinates , , and . Is the

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Current Student
Joined: 11 May 2008
Posts: 552
Vertices of a triangle have coordinates , , and . Is the [#permalink]

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07 Sep 2008, 23:58
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Vertices of a triangle have coordinates [-1,0] , [4,0] , and [0,A] . Is the area of the triangle bigger than 15 ?
1. A<3
2. The triangle is right
SVP
Joined: 17 Jun 2008
Posts: 1504

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08 Sep 2008, 00:27
I will go for B.

For stmt 1, A can be -4, -5, -10, etc. In this case, the area of triange can be < than or > than 15.
Senior Manager
Joined: 09 Oct 2007
Posts: 459

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08 Sep 2008, 00:47
Agree on B.

S2 tells us the hypotenuse=5, therefore the legs can't be greater than 5.

(>5)(>5)=(>25)/2 = (>12.5) SUFF.
Senior Manager
Joined: 16 Jul 2008
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08 Sep 2008, 02:50
Ops, you are right.
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Re: right or not?   [#permalink] 08 Sep 2008, 02:50
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# Vertices of a triangle have coordinates , , and . Is the

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