help fine distance

flyinghigh

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Nov 11, 2015
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It's been a long time since I had to do this. please help me here. I need to find distance of short leg of triangle. I have a point with 2 legs branching out from it both 8 ft long and the angle between them is 40 degrees. what is the length of the 3th leg?
 
It's been a long time since I had to do this. please help me here. I need to find distance of short leg of triangle. I have a point with 2 legs branching out from it both 8 ft long and the angle between them is 40 degrees. what is the length of the 3th leg?

Look at law of cosines of triangle.
 
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