gabbyalicorn
  • gabbyalicorn
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.
Mathematics
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SOLVED
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schrodinger
  • schrodinger
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gabbyalicorn
  • gabbyalicorn
posting screenshot right now...
gabbyalicorn
  • gabbyalicorn
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gabbyalicorn
  • gabbyalicorn
@MonKiwi

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gabbyalicorn
  • gabbyalicorn
i got 18.84
gabbyalicorn
  • gabbyalicorn
@geerky42
gabbyalicorn
  • gabbyalicorn
@UsukiDoll
gabbyalicorn
  • gabbyalicorn
@unknownunknown
gabbyalicorn
  • gabbyalicorn
wait i think its 18.80 because it says "Express your final answer to the nearest hundredth."
anonymous
  • anonymous
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.
gabbyalicorn
  • gabbyalicorn
hmm so π x 2 = 6.28 and then 6.28 divided by 2 is 3.14
anonymous
  • anonymous
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...
gabbyalicorn
  • gabbyalicorn
kk
anonymous
  • anonymous
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
anonymous
  • anonymous
fine*
gabbyalicorn
  • gabbyalicorn
okay, thanks :)
anonymous
  • anonymous
No problem :)
gabbyalicorn
  • gabbyalicorn
Well now that I have read this @MonKiwi that you seem correct. but again, like you said lets double check that... @geerky42 @unknownunknown @UsukiDoll
gabbyalicorn
  • gabbyalicorn
8 is in the tenths and 4 is in the hundreths so ima go with your answer. :)

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