UPSKILL MATH PLUS

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9. Determine the interior angle and number of sides of polygon

1. The angles of a quadrilateral are respectively \(93°\), \(85°\), \(123°\) and \(x°\). The value of \(x\) is .

2. Each interior angle of a regular polygon is 90\(°\). The number of sides of the polygon is .

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