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Foreverisabell

  • 2 years ago

How to do this? Please help!

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  1. Foreverisabell
    • 2 years ago
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  2. roberman228
    • 2 years ago
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    what do you need to know how to do

  3. Foreverisabell
    • 2 years ago
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    the value of x @roberman228

  4. Foreverisabell
    • 2 years ago
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    there is a picture attached above @roberman228

  5. ZeHanz
    • 2 years ago
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    It is an equilateral triangle. What can you say about the two other angles of the triangle?

  6. roberman228
    • 2 years ago
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    x=45

  7. ZeHanz
    • 2 years ago
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    No, could you answer my question, please?

  8. Foreverisabell
    • 2 years ago
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    What?

  9. Foreverisabell
    • 2 years ago
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    that they are equal, so x equals 45?

  10. roberman228
    • 2 years ago
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    zehan mention me in your ? and i'll come to it

  11. Foreverisabell
    • 2 years ago
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    wait no, cause x is equall to the opposite inner angles? so x = 80?

  12. ZeHanz
    • 2 years ago
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    Both angles in the triangle are equal. Sum of all angles in a triangle is how many degrees?

  13. roberman228
    • 2 years ago
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    exactly, x=80

  14. Foreverisabell
    • 2 years ago
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    180. @ZeHanz

  15. ZeHanz
    • 2 years ago
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    @Foreverisabell: so what is left for the two equal angles?

  16. Foreverisabell
    • 2 years ago
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    Im still confused.

  17. Foreverisabell
    • 2 years ago
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    all the angles have to equal 180 inside no?

  18. ZeHanz
    • 2 years ago
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    Sum of angles is 180. One angle is 40. Sum of other two angles is 140. The other two angles are equal, so 70 degrees each.

  19. Foreverisabell
    • 2 years ago
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    Oh alright thank you.

  20. Foreverisabell
    • 2 years ago
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    So that means x = 70 + 40?

  21. ZeHanz
    • 2 years ago
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    Yes! See, it is not that hard...

  22. Foreverisabell
    • 2 years ago
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    can you help me with one more thing?

  23. Foreverisabell
    • 2 years ago
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  24. ZeHanz
    • 2 years ago
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    Sure!

  25. Foreverisabell
    • 2 years ago
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    I attached the picture.

  26. ZeHanz
    • 2 years ago
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    I can see it ;) If P is a centroid, then P divides QT into two pieces, QP and PT, with QP:PT =2:1 Now you know the length of QP (=14), so what would be the length of PT?

  27. Foreverisabell
    • 2 years ago
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    14 + 14? zoo. 28?

  28. Foreverisabell
    • 2 years ago
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    *sooo

  29. ZeHanz
    • 2 years ago
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    No, QP:PT=2:1, so QP is double the length of PT, so PT would be 7. So total 14+7=21

  30. Foreverisabell
    • 2 years ago
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    oh okay now I get it.

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