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rebeccaskell94 Group Title

In the figure below, the length of line segment CB is 58 units and the length of line segment BG is 120 units. What is the length of line segment GE? http://learn.flvs.net/webdav/assessment_images/educator_geometry_v14/pool_Geom_3641_0404_07/image0084e2ee688.gif Does anyone know a formula I would use to solve this

  • 2 years ago
  • 2 years ago

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  1. rebeccaskell94 Group Title
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    @ash2326

    • 2 years ago
  2. 91 Group Title
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    use sin/cos

    • 2 years ago
  3. 91 Group Title
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    to find BA , then subtract that from 120

    • 2 years ago
  4. 91 Group Title
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    to find AG

    • 2 years ago
  5. 91 Group Title
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    use trig again to find GE

    • 2 years ago
  6. rebeccaskell94 Group Title
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    @ . @

    • 2 years ago
  7. mukushla Group Title
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    1......find AB using tan 45 in triangle ABC 2......find AG using AG=120-AB 3......find GE using tan 60 in triangle AGE o.O

    • 2 years ago
  8. ash2326 Group Title
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    @rebeccaskell94 did you understand?

    • 2 years ago
  9. rebeccaskell94 Group Title
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    Idunnow is mukushala and 91's ways good? how do you do sin/cos anyway D: urg I'm so confused. My brain is not a math brain :(

    • 2 years ago
  10. ash2326 Group Title
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    I triangle CBA, what's tan 45? @rebeccaskell94

    • 2 years ago
  11. rebeccaskell94 Group Title
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    Doesn't tan(45) = 1?

    • 2 years ago
  12. ash2326 Group Title
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    yeah, you;re right but it's also perpendicular/ adjacent, isn't it?

    • 2 years ago
  13. rebeccaskell94 Group Title
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    Idk what to do with it now D:

    • 2 years ago
  14. Calcmathlete Group Title
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    Remember how the legs of a 45-45-90 triangle are the same length? Can you find AG knowing that?

    • 2 years ago
  15. phi Group Title
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    Are you studying trig? these are 45-45-90 triangle and 30-60-90 triangle

    • 2 years ago
  16. rebeccaskell94 Group Title
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    ummm can we have like, 1 person helping me xD too many is making it worse. It takes a while to help me bc my brain...it doesn't get along well with math

    • 2 years ago
  17. 91 Group Title
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    ok, I am out

    • 2 years ago
  18. ash2326 Group Title
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    I'll let others help here :P I'll observe silently :)

    • 2 years ago
  19. rebeccaskell94 Group Title
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    But ashy!! D: I wanted you to help me xD

    • 2 years ago
  20. Calcmathlete Group Title
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    |dw:1343150968050:dw| If x = 58, can you figure the rest out?

    • 2 years ago
  21. Calcmathlete Group Title
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    I just used the ratio for a 45-45-90 triangle and 30-60-90 triangle.

    • 2 years ago
  22. ash2326 Group Title
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    @rebeccaskell94 @Calcmathlete is a great helper, I'm sure you'll understand .

    • 2 years ago
  23. rebeccaskell94 Group Title
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    Okay I has this XD|dw:1343151162714:dw|

    • 2 years ago
  24. Calcmathlete Group Title
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    Oh. You misread that part for AG....it said 120 - x. When I said to figure out the rest, I meant did you understand how to get the answer now using the ratios, but it's good practice XD Good job by the way :)

    • 2 years ago
  25. Calcmathlete Group Title
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    If you didn't notice, all it asked for was GE which you have as 62√3 which you have :)

    • 2 years ago
  26. rebeccaskell94 Group Title
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    Oh wait, so are my ∆s right?

    • 2 years ago
  27. Calcmathlete Group Title
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    Yup :) Good work! That one part on the bottom of the 30-60-90 triangle is wrong because you misread it, but as long as you understand the concept, it's fine :)

    • 2 years ago
  28. rebeccaskell94 Group Title
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    Which one?

    • 2 years ago
  29. Calcmathlete Group Title
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    |dw:1343151807943:dw|

    • 2 years ago
  30. rebeccaskell94 Group Title
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    ohhhh okay

    • 2 years ago
  31. Calcmathlete Group Title
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    Yeah. I think you read it as 20 - x when it's 120 - x.

    • 2 years ago
  32. Calcmathlete Group Title
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    Good job though. 45-45-90 and 30-60-90 triangles can be very simple once you remember the ratios! :D

    • 2 years ago
  33. rebeccaskell94 Group Title
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    Thank you :D

    • 2 years ago
  34. Calcmathlete Group Title
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    np :)

    • 2 years ago
  35. 91 Group Title
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    good job , "becca"

    • 2 years ago
  36. rebeccaskell94 Group Title
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    lol why the quotation marks around my name D:

    • 2 years ago
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