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anonymous

  • one year ago

semi circle helpp??please help !

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  1. anonymous
    • one year ago
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    http://gyazo.com/ec229e247f28a2185c3537b146956451

  2. anonymous
    • one year ago
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    whats the formula for area of a circle?

  3. anonymous
    • one year ago
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    PIE R ^2

  4. anonymous
    • one year ago
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    correct

  5. anonymous
    • one year ago
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    Exactly

  6. anonymous
    • one year ago
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    if you divide that by 2 that will give you the area of a half of a circle

  7. anonymous
    • one year ago
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    3.14 • 6^2 / 2

  8. anonymous
    • one year ago
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    56.52?

  9. anonymous
    • one year ago
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    yes

  10. anonymous
    • one year ago
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    Then what

  11. anonymous
    • one year ago
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    find area of rectangle, and subtract the area you just found from it

  12. anonymous
    • one year ago
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    area of a rectangle is w*l

  13. anonymous
    • one year ago
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    Which would be 6 • (6 • 2)

  14. anonymous
    • one year ago
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    72-56.52?

  15. anonymous
    • one year ago
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    Yes

  16. anonymous
    • one year ago
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    answer=15.42??

  17. anonymous
    • one year ago
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    you need to find the length of the rectangle, it will be equal to the diameter of the circle

  18. anonymous
    • one year ago
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    wait im confused

  19. anonymous
    • one year ago
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    @billj5 what is the diameter of the circle

  20. anonymous
    • one year ago
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    it is 2 times the radius

  21. anonymous
    • one year ago
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    It is 12 my bad

  22. anonymous
    • one year ago
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    so how should i write that out to multiply it?

  23. anonymous
    • one year ago
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    Which is what I actually said I thought I said 6 *6

  24. anonymous
    • one year ago
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    6 x 12

  25. anonymous
    • one year ago
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    its still 72.

  26. anonymous
    • one year ago
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    that is what you said but i was trying to explain it

  27. anonymous
    • one year ago
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    so is my answer right then

  28. anonymous
    • one year ago
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    15.48??

  29. anonymous
    • one year ago
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    looks good

  30. anonymous
    • one year ago
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    thanks!

  31. anonymous
    • one year ago
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    Yes

  32. anonymous
    • one year ago
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    is it squared//

  33. anonymous
    • one year ago
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    No

  34. anonymous
    • one year ago
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    Uh actually yeah bc it is area

  35. anonymous
    • one year ago
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    the units are squared

  36. anonymous
    • one year ago
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    alright thank you guys

  37. anonymous
    • one year ago
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    yw

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spraguer (Moderator)
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