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GMAT Prep2?? (Distance Plane)

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GMAT Prep2?? (Distance Plane)

by dferm » Wed May 14, 2008 8:50 pm
In the xy-plane, point P has coordinates (a,b) adn point Q has coordinates (c,d). What is the distance between P and Q?

(1) b-d=4
(2) a-c=3

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by amitansu » Wed May 14, 2008 10:51 pm
Combine 1 and 2 you would be able to answer .
For distance between two coordinate points , we need to know both (x,y)
values.

C is answer.
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