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Mrfootballman97

  • 2 years ago

Medal given to person who answers! Find the area of a sector of a circle with radius 12 and arc length 10(pi). Show work

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  1. Emah
    • 2 years ago
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    |dw:1365192409384:dw|Ok for this one is is easiest to draw it out first.

  2. Emah
    • 2 years ago
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    |dw:1365192545644:dw|

  3. Mrfootballman97
    • 2 years ago
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    That is the final answer?

  4. Mrfootballman97
    • 2 years ago
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    No, right?

  5. Mrfootballman97
    • 2 years ago
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    Like what are the steps?

  6. Emah
    • 2 years ago
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    No that isn't the answer.. You have to plug in the information they have given you. The r in this formula represents 12, the radius. While m represents the measure of the length they gave you, 10pi.

  7. Mrfootballman97
    • 2 years ago
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    So:\[144 \left( 10\pi \right) \over 360\]

  8. Mrfootballman97
    • 2 years ago
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    1440pi over 360?

  9. surjit
    • 2 years ago
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    a=pir^2*10pi/2pir=5pir

  10. Mrfootballman97
    • 2 years ago
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    Could someone just write out the entire answer so that i can understand the steps easier? Thanks

  11. Mrfootballman97
    • 2 years ago
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    @Emah Could you help?

  12. surjit
    • 2 years ago
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    A=pi r^2/2 pi r*10 pi=5 pi r=5 pi 12=60 pi

  13. Mrfootballman97
    • 2 years ago
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    Sorry but im not following..Maybe make it easier to read?

  14. Emah
    • 2 years ago
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    I'm sorry, I know how to do this, but I can't figure out the 10pi being the measure.. Usually its a degree..

  15. surjit
    • 2 years ago
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    A=(πr^2)/2πr*10π=5πr=5π*12=60π

  16. Mrfootballman97
    • 2 years ago
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    does the / mean a fraction like (pi)(r)^2 over something else?

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