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DS- Coordinates

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Intern
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DS- Coordinates [#permalink] New post 22 Jun 2006, 10:34
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A
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C
D
E

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Would you use the distance formula to solve for this? The ponits are equidistant if sqrt(r^2+u^2)=sqrt(s^2+v^2). So from 1 & 2, I plugged the data and got r^2=s^2+1.

Thus, they are not equidistant. Can someone please tell me if I calculated this right?

One day till judgement day,
Tru
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VP
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 [#permalink] New post 22 Jun 2006, 11:04
I) not suff
II) not suff

I+II) from I) r+s=1
or
r=1-s=v
s=1-r=u

they are equidistant!

C)
Director
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 [#permalink] New post 22 Jun 2006, 14:54
Yes it C. Explanation as provided by Helg.
  [#permalink] 22 Jun 2006, 14:54
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