Question

find the circumference. use \\( \pi = 3.14 \\) and round your answer to the nearest hundredth...

a 5.72 mi
b 28.26 mi
c 63.59 mi
d 14.13 mi

question 20
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Explanation:

Step1: Recall the formula for circumference

The formula for the circumference of a circle is \(C = 2\pi r\), where \(r\) is the radius of the circle.

Step2: Substitute the given values

Given \(r = 4.5\) mi and \(\pi=3.14\). Substitute into the formula: \(C = 2\times3.14\times4.5\).
First, calculate \(2\times4.5 = 9\). Then, \(C=9\times3.14\).

Step3: Perform the multiplication

\(9\times3.14 = 28.26\)

Answer:

B. 28.26 mi