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Norma works at a lab with a huge circular particle accelerator. It has a diameter of $4$ miles. What is the accelerator's circumference? $\newline$ Use $3.14$ for $\pi$ . If necessary, round your answer to the nearest hundredth. $\newline$ _____ miles

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Circles: word problems

Full solution

Q. Norma works at a lab with a huge circular particle accelerator. It has a diameter of

4

miles. What is the accelerator's circumference?

\newline

Use

3.14

for

\pi

. If necessary, round your answer to the nearest hundredth.

\newline

_____ miles

Identify formula: Identify the formula to calculate the circumference of a circle, which is $C = \pi \cdot d$ , where $C$ is the circumference and $d$ is the diameter.
Perform multiplication: Perform the multiplication to find the circumference. $\newline$ Calculation: $3.14 \times 4 = 12.56$ miles

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\newline

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A(d)=\pi d^{2}

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\newline

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