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## is3535 one year ago What is the circumference of this circle? Use π ≈ 3.14. Round your answer to the nearest tenth of a centimeter. A. 176.6 cm B. 23.6 cm C. 47.1 cm D. 94.2 cm

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1. is3535

@Vocaloid

2. is3535

|dw:1433049434514:dw|

3. is3535

@Vocaloid

4. is3535

@butterflydreamer

5. is3535

@shifuyanli

6. is3535

@Vocaloid

7. is3535

circumference of a circle = 2 *Pi*r using Pi as 3.14 and given r, radius = diameter/2 = 15/2 then C= 2*3.14*15/2 to get to the nearest tenth means to 1 decimal place calculate to 2 places if the 2nd is 5 or more add 1 to the 1st decimal if less than 5 drop that digit

8. is3535

47.1 C

9. Vocaloid

yeah, your work looks good to me...

10. is3535

94.25

11. is3535
12. is3535

@Vocaloid

13. Vocaloid

your drawing is a bit confusing, is 15 the radius or the diameter?

14. is3535

|dw:1433050145792:dw|

15. Vocaloid

ok, so 15 is the diameter circumference = diameter*pi your first answer was correct...

16. is3535

47.1 cm is that my answer

17. Vocaloid

great, good job

18. is3535

ty

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