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    Thread Starter
    Hyperactive Member Greyskull's Avatar
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    Question Triangle angles

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    If triangle DEF points A, B, and C are taken on DE, DF, and EF respectively such that EC = AC and CF = BC. If angle D = 40 degrees then what does angle ACB equal (in degrees)?
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    My other question is about solving a trangle problem that requires me calculate the angle ACB in the triangle...

    ne help or suggestion will be greatly appreaciated

    thanx in advance
    Last edited by Greyskull; Dec 24th, 2007 at 08:45 AM.

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