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A circle has a radius of 10 inches. Find the approximate length of the arc intersected by a central angle of [tex]$\frac{2 \pi}{3}$[/tex].

A. 6.67 inches
B. 10.47 inches
C. 20.94 inches
D. 62.8 inches

Answer :

We are given a circle with a radius of $10$ inches and a central angle of $\frac{2\pi}{3}$ radians. The formula for the arc length $s$ is given by

$$
s = r \theta,
$$

where $r$ is the radius and $\theta$ is the central angle in radians.

Substitute the given values into the formula:

$$
s = 10 \times \frac{2\pi}{3} = \frac{20\pi}{3}.
$$

Now, approximate the value:

$$
\frac{20\pi}{3} \approx 20.94 \text{ inches}.
$$

Thus, the approximate length of the arc is $\boxed{20.94 \text{ inches}}$.

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Rewritten by : Jeany