Question

What is the approximate circumference of a circle with a radius of 30 inches? Use π ≈ 3.14.









A.
62.8 inches







B.
94.2 inches







C.
188.4 inches







D.
47.1 inches

Answer 1

C=2*pi*r so C=3.14*2*30...2*30=60 so then multiply 60(3.14)=188.4 which is C

Answer 2

C D.
formula for circumference is :
2πr
the radius is 30, and you are using 3.14 for pi so plug them in:
2(3.14)(30)

do the multiplication:
60(3.14)
188.4

Answer 3

so c right

Answer 4

DA ANSWER IS C

Answer 5

ok

Answer 6

yep C