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P, Q, and R are located in a flat area

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by prindaroy » Sat Aug 08, 2009 12:09 pm
PR = sqrt(x^2 + y^2), so total distance = y + sqrt(x^2 + y^2)

time = distance/speed, speed = z

so, time = (y + sqrt(x^2 + y^2))/z
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by alexdallas » Sat Aug 08, 2009 2:37 pm
how do u know the triangle is a right triangle? thats what i dont und.

thank you.
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by anand0408 » Sun Aug 09, 2009 12:01 am
N- S - E- W are always right angles my friend. If it was north west or something then it would be 45 degrees and so on.
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