$\"\"$

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Observe the diagram.

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Length of the arc from $\"\"$ to $\"\"$ is $\"\"$ in.

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Radius of $\"\"$ is $\"\"$ in.

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Convert $\"\"$ angle degree measure to radians.

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$\"\"$

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Find radius $\"\"$ .

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Arc length : $\"\"$ .

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Substitute $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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Radius of $\"\"$ is $\"\"$ in.

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$\"\"$

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Find radius of $\"\"$ .

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Radius of $\"\"$ .

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Substitute $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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Radius of $\"\"$ is $\"\"$ in.

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Find arc length of $\"\"$ .

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Substitute $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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Arc length of $\"\"$ is $\"\"$ in.

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$\"\"$

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Arc length of $\"\"$ is $\"\"$ in.