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12. Find unknown angle and verify angle sum property of the provided polygon

Calculate the equal angle

$x$ in the following pentagon and complete the provide tabular column if

$∠m = 64°$ ,

$∠n = 65°$ and

$∠S= 45°$ .

The measure of the angle of

$x$

$=$

$°$

In the following table, fill in the interior angles:

Angle	$P$	$Q$	$R$	$S$	$T$	sum
Measures	$°$	$°$	$°$	$°$	$°$	$°$

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