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anonymous

  • one year ago

A SECTOR OF A CIRCLE HAS AN AREA OF 29 SQAURE FEET. FIND THE CENTRAL ANGLE IN DEGREES THAT FORS THE SECTOR IF THE RADIUS IS 7.3 FEET

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  1. Vocaloid
    • one year ago
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    (x/360)*(area of circle) = (area of sector)

  2. Vocaloid
    • one year ago
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    solve for x

  3. anonymous
    • one year ago
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    I did , but I got a decimal and I need the answer in radians

  4. Vocaloid
    • one year ago
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    huh? the question asks for degrees

  5. anonymous
    • one year ago
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    yeah but I got a decimal

  6. anonymous
    • one year ago
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    im sorry, can you show me how to work it out

  7. Vocaloid
    • one year ago
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    decimals are fine, you can just round

  8. anonymous
    • one year ago
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    I know but I need teh naswers in radians

  9. anonymous
    • one year ago
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    *the answers

  10. Vocaloid
    • one year ago
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    why??? the question doesn't want radians, it wants degrees

  11. anonymous
    • one year ago
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    ok then, how do i get the answers in degrees

  12. anonymous
    • one year ago
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    i still have a decimal

  13. anonymous
    • one year ago
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    how to i get it into degrees?

  14. anonymous
    • one year ago
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    I ned it in degrees

  15. mathstudent55
    • one year ago
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    Are of a sector of a circle with central angle \(\theta\): \(\Large A_{sector} = \dfrac{\theta}{360^o}\pi r^2\) \(\Large A_{sector} = \dfrac{\theta}{2\pi ~rad}\pi r^2\)

  16. anonymous
    • one year ago
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    mathstudent55, will that get my answer in degrees

  17. mathstudent55
    • one year ago
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    |dw:1437106693712:dw|

  18. mathstudent55
    • one year ago
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    The top formula of the two is in degrees. The bottom on is in radians.

  19. anonymous
    • one year ago
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    ok got it

  20. mathstudent55
    • one year ago
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    |dw:1437106793705:dw|

  21. mathstudent55
    • one year ago
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    |dw:1437106845026:dw|

  22. mathstudent55
    • one year ago
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    Remember the 7.3 is squared, so do this in your calculator: 360 times 29 divided by pi divided by 7.3 divided by 7.3

  23. anonymous
    • one year ago
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    I will not get an exact number, so do I just round

  24. mathstudent55
    • one year ago
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    yes, round it. what do you get?

  25. anonymous
    • one year ago
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    62.4

  26. mathstudent55
    • one year ago
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    That's what I got, too.

  27. anonymous
    • one year ago
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    ok got it

  28. anonymous
    • one year ago
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    can you help me with one more thing

  29. mathstudent55
    • one year ago
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    yes. pls start a new post. this one is getting too long

  30. anonymous
    • one year ago
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    ok

  31. anonymous
    • one year ago
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    hey

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