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January 25, 2015

January 25, 2015

Posted by **hiba** on Monday, February 27, 2012 at 11:03am.

- geometry -
**Steve**, Monday, February 27, 2012 at 2:04pmyou have a right triangle with legs 3 and 10.

The resultant speed is the hypotenuse: √(36+100) = √136 = 11.7

direction is W θ S

where tanθ = 3/10, so that's W16.7°S

- geometry -
**Irene**, Sunday, March 11, 2012 at 4:03pmthe resultant speed is the hypotenuse

9+100=109

√109=10.4

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