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    wannabehermione's Avatar
    wannabehermione Posts: 1, Reputation: 1
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    #1

    Feb 2, 2010, 10:40 PM
    Find the altitude of an isosceles triangle
    Base is 10. Angles are 2 18 degree angles, and one 144 degreee angle... how do I find the altitude?
    Sitkadiver's Avatar
    Sitkadiver Posts: 26, Reputation: 3
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    #2

    Feb 2, 2010, 11:18 PM

    OK, one of the math guys is going to totally grill me if I'm wrong, so keep in mind school was a long time ago for me...

    Tan = Opp/adj = h/5 = tan 18 = 1.6245

    I think...
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