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sirena94

  • 2 years ago

if your given the radius 6 meters and area of sector of circle 8 squared meters how do you find the central angle?

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  1. Lethal
    • 2 years ago
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    sector area is a/360 * pi r^2

  2. MarcLeclair
    • 2 years ago
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    the formula is central angle/2pi = A /pir^2.

  3. MarcLeclair
    • 2 years ago
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    so what he said above me.

  4. Algebraic!
    • 2 years ago
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    you're *

  5. Lethal
    • 2 years ago
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    8 = a/360 36pi 113a = 8 a = 14.125/360 so is the measure 14.125 degrees. i've no idea. lol this is weird.

  6. Lethal
    • 2 years ago
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    a/2pi = 8/36pi a/pi = 4/36pi 12.56 = 113a a = 9 according to marcs formula so yeah :)

  7. MarcLeclair
    • 2 years ago
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    say thanks to my cal teacher haha just came from the unit circle :) but your definition looked right you were just mising the area of the circle i think?

  8. Lethal
    • 2 years ago
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    Yep, well i'm only in geometry and we did stuff like this. but it's different working backwards.

  9. MarcLeclair
    • 2 years ago
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    Id say more here but this isnt a conversation area :) haha

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