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gabbyalicorn

  • one year ago

A porch has the shape of a semicircle with a diameter of 7 ft. What is the approximate area of the porch, rounded to the nearest square foot? Use 3.14 to approximate π

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  1. gabbyalicorn
    • one year ago
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    @gaos @Mehek14

  2. gabbyalicorn
    • one year ago
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    so im guessing 3.14 x 7?

  3. Mehek14
    • one year ago
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    \(\dfrac{πr^2}{2}\)

  4. Mehek14
    • one year ago
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    so \(\dfrac{3.14*7^2}{2}\)

  5. Mehek14
    • one year ago
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    what is \(7^2\)

  6. gabbyalicorn
    • one year ago
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    153.86?

  7. gabbyalicorn
    • one year ago
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    oh 7^2 49

  8. Mehek14
    • one year ago
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    \(\dfrac{153.86}{2}\)

  9. gabbyalicorn
    • one year ago
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    76.93

  10. Mehek14
    • one year ago
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    that's the area

  11. gabbyalicorn
    • one year ago
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    ty!

  12. gabbyalicorn
    • one year ago
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    wait but it says the approximate area so it would be 77? @Mehek14

  13. gabbyalicorn
    • one year ago
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    @gaos

  14. anonymous
    • one year ago
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    yes it would

  15. gabbyalicorn
    • one year ago
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    okay, thanks :)

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