Which of the following uses the correct formula to find the approximate circumference of a circle that has a radius of 12? Use 3.14 for π

Question

and express your answer to the hundredths place.(1 point)
Responses

18.84
18.84

37.68
37.68

452.16
452.16

75.36
75.36

Answer 1

The formula to find the circumference \( C \) of a circle is:

\[ C = 2\pi r \]

where \( r \) is the radius. Given that the radius \( r = 12 \) and using \( \pi \approx 3.14 \), we can substitute the values into the formula:

\[ C = 2 \times 3.14 \times 12 \]

Now, calculate it step by step:

1. Calculate \( 2 \times 3.14 = 6.28 \)
2. Then multiply by the radius: \( 6.28 \times 12 = 75.36 \)

So, the approximate circumference is \( 75.36 \).

The correct response is:

75.36