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Distance between coordinates - C

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Source: — Data Sufficiency |
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by agps » Sat Sep 01, 2007 11:10 am
distance between two points in a xy plane is given by sqrt((y2-y1)^2+(x2-x1)^2)

1) gives you y2-y1, but nothing on x2-x1, so insufficient.

2) gives you x2-x1, but nothing on y2-y1, so insufficient.

using bot you get the distance as sqrt(4^2+3^2) = sqrt(16+9) = sqrt(25) = 5.

Answer is C
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