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anonymous

  • 5 years ago

the circle above has an area of 25π in^2. what is the area of the blue sector? A.) 39.25in^2 B.) 29.4375in^2 C.) 9.812in^2 D.) 19.623in^2 I have the picture when you click on the question...Please help me :)

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  1. anonymous
    • 5 years ago
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  2. anonymous
    • 5 years ago
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    just click on the attachment

  3. anonymous
    • 5 years ago
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    To find the area of a sector, given the area of the circle, just multiply the area of the circle by the ratio of the angle and 360 degrees. That's: blue sector area=25π(45/360)=3.125π

  4. anonymous
    • 5 years ago
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    area = 25π area of a sector = central angle/360 * area central angle of blue region = 45/360*25π

  5. anonymous
    • 5 years ago
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    so the answer is B?

  6. anonymous
    • 5 years ago
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    ita C

  7. anonymous
    • 5 years ago
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    3.125π=9.817.

  8. anonymous
    • 5 years ago
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    Thanks you guys :)

  9. anonymous
    • 5 years ago
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    welcome :)

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