$\"\"$

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The radius of two circles is $\"\"$ .

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Center of one circle is $\"\"$ .

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The circle equation is $\"\"$ .

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Center of another circle is $\"\"$ .

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The circle equation is $\"\"$ .

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Graph the circle equations $\"\"$ and $\"\"$ .

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$\"\"$

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Obsere the graph:

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By the axis of symmetry.

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The area of the shaded region is $\"\"$ .

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Apply formula: $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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The area of the region is $\"\"$ .

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$\"\"$

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The area of the region is $\"\"$ .