Question

@triciaal
What is the circumference of this circle? Use π ≈ 3.14. Round your answer to the nearest tenth of a centimeter.



A.
23.6 cm

B.
47.1 cm

C.
94.2 cm

D.
176.6 cm

http://static.k12.com/calms_media/media/1299500_1300000/1299629/1/ae096f4f0bd5760979cb8aba97882b597a24574c/144249.jpg

Answer 1

@misty1212

Answer 2

C.

Answer 3

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

Answer 4

47.1 B