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anonymous

  • one year ago

Find <FEG.

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  1. anonymous
    • one year ago
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  2. aric200
    • one year ago
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    To find <FEG You must first find the angle measurements for the triangle.

  3. aric200
    • one year ago
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    A triangle= 180 and We know One of the angle measures is 84 So do 180-84=94 94 Is how much the other 2 angles will equal together. Now we must solve for those 2 angles

  4. anonymous
    • one year ago
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    How do I solve for the other two angles..?

  5. aric200
    • one year ago
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    DEF is A line meaning it is 180 Degrees Do you see how angle E Splits off into two directions? It is part of DEG and FEG

  6. anonymous
    • one year ago
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    ooh yes I see

  7. ganeshie8
    • one year ago
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    we may also use exterior angle theorem : |dw:1437986453333:dw|

  8. aric200
    • one year ago
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    Oh yes see its been a while since I worked on Triangles I have been pluging numbers in for 5 minutes haha. |dw:1437986686507:dw|

  9. aric200
    • one year ago
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    So m<FEG=126 Deg.

  10. aric200
    • one year ago
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    Ganshies theorem is more mathematically correct <A=<C+<D Or in this case <E=<D+<G So <3x=<x+84 Solve to get 42 Plug 42 in in for x to get your answer 42*3=126 <FEG=126

  11. aric200
    • one year ago
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    Check work by pluging back in. |dw:1437987793169:dw|

  12. aric200
    • one year ago
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    But yeah I assume you got it by now. :)

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