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Setsuna-Yuregeshi

  • one year ago

If I'm given this figure how do I find the area?

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  1. Setsuna-Yuregeshi
    • one year ago
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    |dw:1438405106273:dw|

  2. anonymous
    • one year ago
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    you need to know how much 54 is of a 360 degrees

  3. Setsuna-Yuregeshi
    • one year ago
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    like the percent?

  4. anonymous
    • one year ago
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    the fraction

  5. Setsuna-Yuregeshi
    • one year ago
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    What if I know the percent?

  6. anonymous
    • one year ago
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    lemme show you the steps \[A _{whole circle} = 17^2\pi\] \[A=17^2\pi \times \frac{ 54 }{ 360 }\]

  7. Setsuna-Yuregeshi
    • one year ago
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    Then what?

  8. anonymous
    • one year ago
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    thats the answer

  9. Setsuna-Yuregeshi
    • one year ago
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    Ooh!

  10. Setsuna-Yuregeshi
    • one year ago
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    So, 289pi times .15

  11. Setsuna-Yuregeshi
    • one year ago
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    9.07 times 0.15

  12. Setsuna-Yuregeshi
    • one year ago
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    136.119? @saseal

  13. Setsuna-Yuregeshi
    • one year ago
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    @ganeshie8

  14. ganeshie8
    • one year ago
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    136.19 right ?

  15. Setsuna-Yuregeshi
    • one year ago
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    Thank you!

  16. ganeshie8
    • one year ago
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    ``` Math.PI*17*17*54/360 136.18804153311754 ```

  17. Setsuna-Yuregeshi
    • one year ago
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    @ganeshie8 I keep getting 136.119.

  18. anonymous
    • one year ago
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    136.188

  19. Setsuna-Yuregeshi
    • one year ago
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    I do 17 times 17. then that by 3.14. Then that by 54, then that divided by 360...

  20. Setsuna-Yuregeshi
    • one year ago
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    What did I do wrong?

  21. anonymous
    • one year ago
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    yea because some numbers get cut off when you multiply by 3.14

  22. anonymous
    • one year ago
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    we multiplied by a very long string of pi

  23. Setsuna-Yuregeshi
    • one year ago
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    Ooh, so I was kinda right?

  24. Setsuna-Yuregeshi
    • one year ago
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    Ooh, I see. I entered 3.14 instead of hitting the pi key.

  25. anonymous
    • one year ago
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    we multiplied by 3.141592654

  26. Setsuna-Yuregeshi
    • one year ago
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    Is that the number when you hit the pi key?

  27. anonymous
    • one year ago
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    yea

  28. Setsuna-Yuregeshi
    • one year ago
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    Sorry, got side tracked. So that was right?

  29. anonymous
    • one year ago
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    yes

  30. Setsuna-Yuregeshi
    • one year ago
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    Thank you!

  31. anonymous
    • one year ago
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    yw

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