A 172° angle is obtuse.
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A regular pentagon has 5 sides and each interior angle measures 108 degrees not 172 degrees
No. If the interior angle is 8 degrees then each exterior angle must be 172 degrees. Therefore the polygon must have 360/172 approx 2.1 sides. A fractional side is not possible.
7740 degrees
25% of 172= 25% * 172= 0.25 * 172= 43
yes 172 / 2 = 86