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anonymous

  • one year ago

Find the measures of the numbered angles in the figure below. What did I do wrong?

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  1. anonymous
    • one year ago
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    one sec.

  2. anonymous
    • one year ago
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  3. Vocaloid
    • one year ago
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    let's take it from the top, ok? |dw:1437020310588:dw|

  4. anonymous
    • one year ago
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    ok

  5. Vocaloid
    • one year ago
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    |dw:1437020428692:dw|

  6. Vocaloid
    • one year ago
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    |dw:1437020492098:dw|

  7. Vocaloid
    • one year ago
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    with me so far?

  8. anonymous
    • one year ago
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    ya

  9. Vocaloid
    • one year ago
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    can you tell me what angle 1 is now?|dw:1437020601754:dw|

  10. anonymous
    • one year ago
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    how would you find that angle?

  11. Vocaloid
    • one year ago
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    |dw:1437020714976:dw|

  12. Vocaloid
    • one year ago
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    (angle 1) + 103 + 38 = 180, so what is (angle 1)?

  13. anonymous
    • one year ago
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    179

  14. Vocaloid
    • one year ago
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    uh, not quite, can you try one more time? subtract 103 from each side, what do you get?

  15. anonymous
    • one year ago
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    lm sorry im a little lost. is it 65?

  16. Vocaloid
    • one year ago
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    (angle 1) + 103 + 38 = 180 (angle 1) = 180-103-38 = __?

  17. anonymous
    • one year ago
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    39 degrees.

  18. Vocaloid
    • one year ago
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    right

  19. anonymous
    • one year ago
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    oh ok

  20. Vocaloid
    • one year ago
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    going back to our original diagram, we use the rule of alternate exterior angles|dw:1437021198942:dw|

  21. Vocaloid
    • one year ago
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    angle 2 is 103

  22. Vocaloid
    • one year ago
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    one last step|dw:1437021326974:dw|

  23. Vocaloid
    • one year ago
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    (angle 1) = 39 (angle 2) = 103 (angle 1) + (angle A) + (angle 2) = 180 (angle A) + 39 + 103 = 180 so what is angle A?

  24. anonymous
    • one year ago
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    sorry i got disconnected.

  25. anonymous
    • one year ago
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    would it be 142 degrees?

  26. Vocaloid
    • one year ago
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    not quite... __ + 39 + 103 = 180 fill in the blank

  27. anonymous
    • one year ago
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    oh i think i get it one sec.

  28. anonymous
    • one year ago
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    126 degrees?

  29. anonymous
    • one year ago
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    angle A. i havent attempted to solve yet

  30. Vocaloid
    • one year ago
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    not quite... we want to put a number in the blank that will make both sides equal __ + 39 + 103 = 180 what number do we need to add to 39 and 103 to get to 180?

  31. anonymous
    • one year ago
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    38 degrees?

  32. Vocaloid
    • one year ago
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    YES! angle A = 38

  33. Vocaloid
    • one year ago
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    |dw:1437022063767:dw| angle 3 = angle A = 38

  34. Vocaloid
    • one year ago
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    aaaand that's it, we found the values of all 3 angles

  35. anonymous
    • one year ago
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    Thank you soo much for being patient and helping me.

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