To calculate the circumference of a circle, you can use the formula:
\[ C = \pi \times d \]
where \( C \) is the circumference and \( d \) is the diameter.
For a diameter of 3.25 meters and using \( \pi \approx 3.14 \):
\[ C = 3.14 \times 3.25 \]
Calculating this:
\[ C \approx 3.14 \times 3.25 = 10.205 \text{ meters} \]
Rounding to the hundredths place gives:
\[ C \approx 10.21 \text{ meters} \]
Therefore, the correct answer is:
10.21 meters
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