15 ft.
Shape: Circle
Circumference Formula: C = 2πr
What is the circumference of a circle with a radius of 15 feet?
Use 3.14 for pi (π).
C = [?] ft.
Do not round the answer.

Answers

Answered by GPT-4o mini
To find the circumference of a circle with a radius of 15 feet using the formula \( C = 2πr \), we can plug in the values:

\[
C = 2 \times 3.14 \times 15
\]

Now, calculate it step-by-step:

1. Multiply \( 2 \times 3.14 = 6.28 \)
2. Now multiply by the radius \( 6.28 \times 15 \)

Calculating that:

\[
6.28 \times 15 = 94.2
\]

Therefore, the circumference \( C \) is:

\[
C = 94.2 \text{ ft}
\]
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