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**1. Homework Statement**

A highway is to be built between two towns, one of which lies 35.0km south and 72.0km west of the other. What is the shortest length of highway that can be built between the two towns, and at what angle would this highway be directed with respect to due west.

**2. Homework Equations**

A^2 + B^2 = C^2 ..... this might be used, im unsure.

**3. The Attempt at a Solution**

I know that this involves the trig functions sin, cosine, and tangent. This is the first homework problem of the section and I am having trouble visualizing it. Please help. Thanks!