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Find the angle of intersection when the line through the points $(3,4)$ and $(-5,0)$ intersects the line through $(0,0)$ and $(-5,0)$.

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    please consult our [FAQ item on how to ask homework questions](http://meta.math.stackexchange.com/questions/1803/how-to-ask-a-homework-question). In particular, please do not ask questions in the imperative, and please show your work.2011-04-23

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