## gabbyalicorn one year ago What is the approximate circumference of a circle with a radius of 30 inches? Use π ≈ 3.14. A. 94.2 inches B. 62.8 inches C. 188.4 inches D. 47.1 inches

1. gabbyalicorn

so what im doing is 3.14 x 30 = 94.2 / 2 47.1 can someone double check if this is correct please.

2. gabbyalicorn

@pinklion23 @iGreen

3. Spring98

it is correct i got the same answer: )

4. gabbyalicorn

Oh, hazaa!

5. Spring98

lol

6. iGreen

No, that's incorrect

7. iGreen

The formula is $$\sf 2 \pi r$$, not $$\sf \dfrac{\pi r}{2}$$.

8. gabbyalicorn

so 2 x 3.14 x 30 ?

9. iGreen

Yep

10. gabbyalicorn

which would be... 188.4

11. Spring98

opps thats what i ment!

12. deana99

So it will be C.

13. iGreen

14. gabbyalicorn

Thanks, Igreen!

15. iGreen

Np