What is the circumference of the following circle? Use 3.14 for \( \pi \) and enter your answer as a decimal.
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The Deep Dive
To find the circumference of a circle, you can use the formula \( C = 2\pi r \), where \( r \) is the radius. If you know the radius of the circle, just plug in the value with \( \pi \) as 3.14. For example, if the radius is 5, the circumference would be \( C = 2 \times 3.14 \times 5 = 31.4 \). Remember, you can always recheck your calculations! If you don’t have the radius but the diameter instead, the formula becomes \( C = \pi d \). This means if your diameter is, say, 10, then you simply calculate \( C = 3.14 \times 10 = 31.4 \) again! It's all about finding the right dimension to plug into the formula!
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