yes
The measure of each interior angle of a fifteen sided regular polygon, a pendedecagon, is 156o.
A regular polygon with each interior angle measuring 120 degrees is a hexagon.
A regular hexagon.
Tha will depend on how many sides the regular polygon has.
Each central angle is (360) divided by (number of sides in the polygon).
The interior angle of an octdecagon, an 18 sided regular polygon, is 160o.
How many sides does a regular polygon have if the measure of each interior angle is equal to 172 degress ?
A regular pentagon (5 sides)
75
108°
40
Providing that it is a regular polygon then each exterior angle will measure 12 degrees