## 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.

1. gabbyalicorn

posting screenshot right now...

2. gabbyalicorn

3. gabbyalicorn

@MonKiwi

4. gabbyalicorn

i got 18.84

5. gabbyalicorn

@geerky42

6. gabbyalicorn

@UsukiDoll

7. gabbyalicorn

@unknownunknown

8. gabbyalicorn

wait i think its 18.80 because it says "Express your final answer to the nearest hundredth."

9. 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.

10. gabbyalicorn

hmm so π x 2 = 6.28 and then 6.28 divided by 2 is 3.14

11. 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...

12. gabbyalicorn

kk

13. 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

14. anonymous

fine*

15. gabbyalicorn

okay, thanks :)

16. anonymous

No problem :)

17. 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

18. gabbyalicorn

8 is in the tenths and 4 is in the hundreths so ima go with your answer. :)