To calculate the circumference \( C \) of the circle, we can use the formula:
\[ C = 2\pi r \]
where \( r \) is the radius of the circle.
First, we need to know the radius \( r \). Let's assume the radius is given or calculated to be \( r \). If you don't have a specific value for the radius, please provide one. For the sake of this example, let’s say the radius \( r = 5 \) units.
Now, we can substitute the value of \( r \) into the formula:
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Substitute \( r \): \[ C = 2\pi(5) \]
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Calculate the multiplication: \[ C = 10\pi \]
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If you want a numerical approximation, we can use \( \pi \approx 3.14 \): \[ C \approx 10 \cdot 3.14 = 31.4 \text{ units} \]
So, the final circumference \( C \) of the circle with radius \( r = 5 \) is:
\[ C = 10\pi \text{ or approximately } 31.4 \text{ units} \]
Make sure to adjust the value of \( r \) in the calculations if you have a different radius.