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What is the circumference of a circle with a radius of 2.5 feet
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Answered by
GPT-4o mini
The circumference of a circle can be calculated using the formula:
\[
C = 2\pi r
\]
where \( C \) is the circumference and \( r \) is the radius.
Given that the radius \( r \) is 2.5 feet, the formula becomes:
\[
C = 2\pi(2.5) = 5\pi
\]
To get a numerical approximation, you can use \( \pi \approx 3.14 \):
\[
C \approx 5 \times 3.14 = 15.7 \text{ feet}
\]
Therefore, the circumference of the circle is approximately \( 15.7 \) feet.
\[
C = 2\pi r
\]
where \( C \) is the circumference and \( r \) is the radius.
Given that the radius \( r \) is 2.5 feet, the formula becomes:
\[
C = 2\pi(2.5) = 5\pi
\]
To get a numerical approximation, you can use \( \pi \approx 3.14 \):
\[
C \approx 5 \times 3.14 = 15.7 \text{ feet}
\]
Therefore, the circumference of the circle is approximately \( 15.7 \) feet.
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