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gabbyalicorn

  • one year ago

What is the approximate perimeter of a semicircle with a radius of 6 cm? Use π= 3.14 Express your final answer to the nearest hundredth.

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  1. gabbyalicorn
    • one year ago
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    posting screenshot right now...

  2. gabbyalicorn
    • one year ago
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  3. gabbyalicorn
    • one year ago
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    @MonKiwi

  4. gabbyalicorn
    • one year ago
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    i got 18.84

  5. gabbyalicorn
    • one year ago
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    @geerky42

  6. gabbyalicorn
    • one year ago
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    @UsukiDoll

  7. gabbyalicorn
    • one year ago
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    @unknownunknown

  8. gabbyalicorn
    • one year ago
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    wait i think its 18.80 because it says "Express your final answer to the nearest hundredth."

  9. anonymous
    • one year ago
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    Well, i suck at rounding to hundreths so i wont be able to do that for you... But, to find a semi circle perimeter you take the normal perimeter formula (2 π r) and divide by 2.

  10. gabbyalicorn
    • one year ago
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    hmm so π x 2 = 6.28 and then 6.28 divided by 2 is 3.14

  11. anonymous
    • one year ago
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    6 x 2 x 3.14 = 37.68 37.68 / 2 = 18.84 like you said :) I am sorry i can't be of help with the rounding to hundreths, let me see if i can google that for you real quick...

  12. gabbyalicorn
    • one year ago
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    kk

  13. anonymous
    • one year ago
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    I would wait to get it confirmed, but i would say 18.84 is dine because the 4 is in the hundredths place. if it was 18.842 then you would round to 18.84

  14. anonymous
    • one year ago
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    fine*

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

  16. anonymous
    • one year ago
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    No problem :)

  17. gabbyalicorn
    • one year ago
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    Well now that I have read this @MonKiwi that you seem correct. but again, like you said lets double check that... @geerky42 @unknownunknown @UsukiDoll

  18. gabbyalicorn
    • one year ago
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    8 is in the tenths and 4 is in the hundreths so ima go with your answer. :)

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