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Suppose the radius of a circle is 2 units. What is its circumference? Use 3.14 for
pi and enter your answer as a decimal.
units

Suppose the radius of a circle is $2$ units. What is its circumference? $\newline$ Use $3$ . $14$ for $\pi$ and enter your answer as a decimal. $\newline$ $\square$ units

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Convert between customary and metric systems

Full solution

Q. Suppose the radius of a circle is

2

units. What is its circumference?

\newline

Use

3

.

14

for

\pi

and enter your answer as a decimal.

\newline

\square

units

Formula Explanation: To find the circumference, we use the formula $C = 2 \times \pi \times r$ , where $C$ is the circumference, $\pi$ is approximately $3.14$ , and $r$ is the radius.
Plug in Values: Plug in the values: $C = 2 \times 3.14 \times 2$ .
Multiplication: Do the multiplication: $C = 2 \times 3.14 \times 2 = 6.28 \times 2$ .
Finish Calculation: Finish the calculation: $C = 6.28 \times 2 = 12.56$ .

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