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Dallasb22

  • 3 years ago

Express answers in simplest exact form. What is the area of a sector with measure of arc equal to 90° and radius equal to 1 foot?

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  1. Freyes
    • 3 years ago
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    Well if you draw this as a circle

  2. Freyes
    • 3 years ago
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    and 90 degrees of it makes it 1/4 of the entire circle

  3. Freyes
    • 3 years ago
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    so the you have the area of a circle which pi r ^ 2

  4. Freyes
    • 3 years ago
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    then over 4

  5. Freyes
    • 3 years ago
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    so the answer is pi/4

  6. Dallasb22
    • 3 years ago
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    OH yeah, sorry i forgot 90: 1/4.

  7. Freyes
    • 3 years ago
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    no problem

  8. Dallasb22
    • 3 years ago
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    Thanks for your help!

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