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What is the circumference? I have to type a exact answer in terms of π.
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What is the circumference? I have to type a exact answer in terms of π.

What is the circumference? I have to type a exact answer in terms of π.-example-1
User Shamy
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\begin{gathered} \text{circumference of a circle = } \\ 2*\pi* r \\ r=7\operatorname{cm} \\ \text{circumference of the circle =} \\ 2\text{ }*\pi*7 \\ =14\pi cm \end{gathered}

User Endzeit
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