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Sunshine447 Group Title

In circle A shown below, mArc BC is 71° and mArc EF is 78°. http://learn.flvs.net/webdav/assessment_images/educator_geometry_v14/pool_Geom_3641_0801_03/image0044e847a03.gif What is m∡FDE?

  • one year ago
  • one year ago

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  1. Sunshine447 Group Title
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    @CliffSedge @jim_thompson5910 @ParthKohli

    • one year ago
  2. Mikael Group Title
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    |dw:1346794160576:dw| Inner angle equals the aritmetic average of its supporting arcs on both sides

    • one year ago
  3. Sunshine447 Group Title
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    okay...........

    • one year ago
  4. Mikael Group Title
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    Did you undestand what to compute ?

    • one year ago
  5. Sunshine447 Group Title
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    not really...

    • one year ago
  6. Mikael Group Title
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    |dw:1346794316086:dw|

    • one year ago
  7. Sunshine447 Group Title
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    so is it 78?

    • one year ago
  8. Mikael Group Title
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    Meant FDE of course

    • one year ago
  9. Mikael Group Title
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    Come on - who are the 2 supporting arcs?

    • one year ago
  10. Sunshine447 Group Title
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    what do you mean?

    • one year ago
  11. Mikael Group Title
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    |dw:1346794469021:dw|

    • one year ago
  12. Mikael Group Title
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    (78 +71)/2

    • one year ago
  13. Sunshine447 Group Title
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    so its 74.5?

    • one year ago
  14. Sunshine447 Group Title
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    @Mikael is it 74.5?

    • one year ago
  15. Mikael Group Title
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    Y + mdl pls

    • one year ago
  16. CliffSedge Group Title
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    Here's a good reference: http://www.mathwarehouse.com/geometry/circle/angles-of-intersecting-chords-theorem.php

    • one year ago
  17. Sunshine447 Group Title
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    thanks @CliffSedge

    • one year ago
  18. Sunshine447 Group Title
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    @Mikael so it IS 74.5? I really need a final answer

    • one year ago
  19. Mikael Group Title
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    Plese click on Blue (ribbon)

    • one year ago
  20. Sunshine447 Group Title
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    not until u tell me if 74.5 is correct

    • one year ago
  21. Sunshine447 Group Title
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    i need a final answer. I posted this so i could get help, not try to learn something and then hope i get it right....

    • one year ago
  22. Mikael Group Title
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    (78 +71)/2 = 74.5

    • one year ago
  23. Mikael Group Title
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    ??? ...!

    • one year ago
  24. CliffSedge Group Title
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    Tsk tsk tsk, how embarrassing: Begging for medals . . .

    • one year ago
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