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March 30, 2015

March 30, 2015

Posted by **Nada** on Tuesday, July 20, 2010 at 6:44pm.

- Sine, cosine law -
**Reiny**, Tuesday, July 20, 2010 at 7:02pmI noticed you posted the same question before.

I cannot reconcile your data with a diagram I am attempting.

Your call of angles of depression suggests the balloon is above the aqua-duct, but then you give the horizontal distance between the balloon and the aqua-duct.

Is the balloon in a plane parallel to the plane of the bridge and the distance between those planes is 270 ?

Are we working in 3 separate planes in 3D ?

- Sine, cosine law -
**Nada**, Tuesday, July 20, 2010 at 7:39pmI'm not sure if it is parllel, it dosent have a diagram so it got me confused! But I know it is not in 3D, the answer in the txtbook is 299.7m, I just need the method to get it

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