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 .

$1$

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