$\"\"$

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Since the polygon is a pentagon, $\"\"$ .

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The sum of the measures of interior angles of a pentagon is $\"\"$ . $\"\"$ (Sum of measures of interior angles)

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$\"\"$ (Substitute angle values)

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$\"\"$ (Combine like terms)

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$\"\"$ (Subtract 30 from each side)

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$\"\"$ (Divide each side by 5) $\"\"$

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Use the value of x to determine each interior angle of the quadrilateral.

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$\"\"$ , $\"\"$ , $\"\"$ ,

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$\"\"$ , and $\"\"$ . $\"\"$

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The interior agle measures are $\"\"$ , $\"\"$ ,

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$\"\"$ , $\"\"$ , and $\"\"$ .