Question

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

Answer 1

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

Answer 2

@pinklion23 @iGreen

Answer 3

it is correct i got the same answer: )

Answer 4

Oh, hazaa!

Answer 5

lol

Answer 6

No, that's incorrect

Answer 7

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

Answer 8

so 2 x 3.14 x 30 ?

Answer 9

Yep

Answer 10

which would be... 188.4

Answer 11

opps thats what i ment!

Answer 12

So it will be C.

Answer 13

Yep, that's our answer.

Answer 14

Thanks, Igreen!

Answer 15

Np