Question

a circle has a diameter of 14 yd. what is its circumference? use 3.14 for π, and do not round your answer. be sure to include the correct unit in your answer.

Explanation:

Step1: Find the radius

The radius \( r \) of a circle is half of the diameter \( d \). Given \( d = 14\) yd, so \( r=\frac{d}{2}=\frac{14}{2}=7\) yd.

Step2: Calculate the circumference

The formula for the circumference \( C \) of a circle is \( C = 2\pi r\) or \( C=\pi d\). Using \( C=\pi d\) (since \( d = 14\) yd and \(\pi = 3.14\)), we have \( C=3.14\times14\).

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Answer:

\(43.96\) yd