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To calculate the circumference of a circle, the formula is:

\[
C = 2 \pi r
\]

Given that:
- The radius \( r = 3 \, \text{feet} \)
- The approximation \( \pi = 3.14 \)

We can substitute the values into the formula:

\[
C = 2 \times 3.14 \times 3
\]

Let me calculate this.The estimated circumference of the circle is \( 18.84 \, \text{feet} \), rounded to the hundredths place.

Would you like more details or have any further questions?

Here are some related questions to explore:
1. How would the circumference change if the radius was doubled?
2. What would be the area of this circle using the same value of \( \pi \)?
3. How does the formula for circumference relate to the formula for the area of a circle?
4. Can you find the diameter of the circle from the given radius?
5. How would the result differ if we used a more precise value of \( \pi \) (such as 3.1416)?

**Tip:** Remember, the diameter of a circle is twice the radius, and you can directly use the diameter to find the circumference using \( C = \pi \times d \).

What is the circumference of a circle with a radius of 3 feet? Estimate the circumference to the hundredths place using 3.14 for π.

Learn how to estimate the circumference of a circle with a radius of 3 feet using the formula C = 2πr and π ≈ 3.14. This step-by-step guide explains the calculation and rounds the answer to the hundredths place. Suitable for students in Grades 6-8.

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