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anonymous

  • one year ago

Robin chose a slice from a pizza with a 20" diameter. The central angle of her slice of pizza is measured 60. What was the area of Robin's pizza?

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  1. DanJS
    • one year ago
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    60 degrees is 1/6 th of the whole circle. Find the area of a circle with a 20" diameter, and then take a sixth of that for the area of a 60 degree slice

  2. anonymous
    • one year ago
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    @DanJS so is the answer 209.44?

  3. DanJS
    • one year ago
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    \[Pizza = \pi *10^2 = 100\pi\] \[60~degree~slice = \frac{ whole ~pizza }{ 6 } = \frac{ 100\pi }{ 6 } ~In^2\]

  4. DanJS
    • one year ago
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    remember the area of a circle is pi times the radius squared, not the diameter squared

  5. anonymous
    • one year ago
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    Thanks!! :) @DanJS

  6. DanJS
    • one year ago
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    yw

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