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anonymous

  • one year ago

Can someone help please idk how to do this

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    are you familiar with pythagorean?

  3. anonymous
    • one year ago
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    Is that the a^2 +b^2 =c^2 ? if not then I don't think I am

  4. anonymous
    • one year ago
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    that's right

  5. anonymous
    • one year ago
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    So we have 2 triangles to solve for in this problem

  6. anonymous
    • one year ago
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    Okay how do I do it?

  7. anonymous
    • one year ago
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    |dw:1433037507610:dw|

  8. anonymous
    • one year ago
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    find x

  9. anonymous
    • one year ago
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    4^2 +x^2 =10^2 \[\sqrt{(10+a)(10-a)}\]

  10. anonymous
    • one year ago
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    right or wrong?

  11. anonymous
    • one year ago
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    uhhh x^2 = 84 x=sqrt(84)

  12. anonymous
    • one year ago
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    Ohh my bad... is that all it?

  13. anonymous
    • one year ago
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    |dw:1433037822243:dw|

  14. anonymous
    • one year ago
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    Do you remember the formula for the area of a triangle?

  15. anonymous
    • one year ago
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    A=1/2Base * height

  16. anonymous
    • one year ago
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    correct. What is the area of that triangle

  17. mathmate
    • one year ago
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    |dw:1433037922613:dw|

  18. anonymous
    • one year ago
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    24?

  19. mathmate
    • one year ago
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    How did you get that?

  20. anonymous
    • one year ago
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    Can you put it in an equation for me please I messed up

  21. mathmate
    • one year ago
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    Equation was shown on the drawing! :)

  22. anonymous
    • one year ago
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    ooh okay so the base it 12 right so 1/2 *12 *4 4 is the height right?

  23. mathmate
    • one year ago
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    ok, I'll spare you the torture this time. You were right, but I want to check if your are confident of your calculations. Yes, the area is 24... what unit? was my real question.

  24. anonymous
    • one year ago
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    Ohh u are so silly ahhah the unit is 24yd^2 right

  25. mathmate
    • one year ago
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    Yes, good work! :)

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spraguer (Moderator)
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