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evergirl

  • 2 years ago

What is the length of AB? Answer 13 cm 18 cm 22.98 cm 25.32 cm

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  1. evergirl
    • 2 years ago
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  2. DoomDude
    • 2 years ago
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    You would use sin,cos, and tan to solve

  3. evergirl
    • 2 years ago
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    yeah

  4. DoomDude
    • 2 years ago
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    Do you know how to solve and just want us to?

  5. evergirl
    • 2 years ago
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    show me how to please

  6. DoomDude
    • 2 years ago
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    ok, first off look at http://www.mathsisfun.com/sine-cosine-tangent.html and tell me what one you would need for the left one

  7. evergirl
    • 2 years ago
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    tan I think

  8. DoomDude
    • 2 years ago
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    @annas, you can help her the rest, you are better than I

  9. evergirl
    • 2 years ago
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    Nah your both equally smart. Thank you both!

  10. DoomDude
    • 2 years ago
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    he can explain it better though

  11. evergirl
    • 2 years ago
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    annas?

  12. evergirl
    • 2 years ago
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    can u help?

  13. annas
    • 2 years ago
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    wait let me understand the question

  14. annas
    • 2 years ago
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    are the answers given?

  15. evergirl
    • 2 years ago
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    nope

  16. annas
    • 2 years ago
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    but your answer is 25.2

  17. evergirl
    • 2 years ago
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    ty

  18. annas
    • 2 years ago
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    this is a case of AAS angle angle side

  19. annas
    • 2 years ago
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    we'll divide the diagram into to angles for triangle A we are given 45 and 90 angles and a side 8 for triangle B 30 and 90 angles are given and a side 10 is given to find unknown angle 180- 90+45 and 180-30+90 to find base length use a/sinA = c/sinC

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