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In the xy plane.....

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Manager
Joined: 06 Feb 2010
Posts: 174
Schools: University of Dhaka - Class of 2010
GMAT 1: Q0 V0
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WE: Business Development (Consumer Products)
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Kudos [?]: 715 [0], given: 182

In the xy-plane, the vertices of a triangle have coordinates [#permalink]  28 Oct 2010, 21:18
00:00

Difficulty:

35% (medium)

Question Stats:

88% (01:34) correct 13% (00:06) wrong based on 8 sessions
In the xy-plane, the vertices of a triangle have coordinates (0,0),(3,3), and (7,0). What is the perimeter of the triangle?
(A) 13
(B) (14)
(C) (16)
(D) (17)
(E) 12+3 root 2

How to draw graph on this?
[Reveal] Spoiler: OA

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Re: In the xy plane..... [#permalink]  28 Oct 2010, 23:27
Moving to PS sub-forum ...

 ! Please post PS questions in the PS subforum: gmat-problem-solving-ps-140/Please post DS questions in the DS subforum: gmat-data-sufficiency-ds-141/

To answer this question ... all you need is distance between vertices :

(0,0) & (7,0) : 7
(0,0) & (3,3) : $$3\sqrt{2}$$
(7,0) & (3,3) : $$\sqrt{16+9}=5$$

Perimeter = sum of these three sides = $$12 + 3\sqrt{2}$$

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Re: In the xy plane.....   [#permalink] 28 Oct 2010, 23:27
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In the xy plane.....

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