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Math Help - Two triangles; must find unknown angles

  1. #1
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    Two triangles; must find unknown angles

    Hello all; I am new to this forum so here goes. I had this weird problem in my engineering statics class that is bothering me and so here I am. Here is a quick mock up of the problem I had on my test I couldn't figure out.



    Ok so I need to find the lower left angle of the 30/20/h triangle and overall right triangle angles too. Suggestions anyone?
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  2. #2
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    Quote Originally Posted by JeffBones View Post
    Hello all; I am new to this forum so here goes. I had this weird problem in my engineering statics class that is bothering me and so here I am. Here is a quick mock up of the problem I had on my test I couldn't figure out.



    Ok so I need to find the lower left angle of the 30/20/h triangle and overall right triangle angles too. Suggestions anyone?
    You can use the cosine rule to find all angles of the 30-20-h triangle in terms of h.
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