Each interior angle of a regular 7 sided polygon is 128 degrees 34 minutes and 17.14 seconds
An irregular septagon: the right-angle will prevent it being regular.
Each interior angle will measure 162 degrees
It is: 180-exterior angle = interior angle because there are 180 degrees on a straight line
120°
A regular trapezoid (!) is a square. And each interior angle of a square is 90 degrees.
No - each different n-gon (pentagon, septagon, nonagon, etc) has a different angle measurement.
An irregular septagon: the right-angle will prevent it being regular.
Each interior angle will measure 162 degrees
The measure of each interior angle of a fifteen sided regular polygon, a pendedecagon, is 156o.
It is: 180-exterior angle = interior angle because there are 180 degrees on a straight line
144
120°
135 Each interior angle of a regular octagon measures 135 degrees.
Each interior angle of a regular 9 sided nonagon measures 140 degrees
A regular trapezoid (!) is a square. And each interior angle of a square is 90 degrees.
Each interior angle of a regular 8 sided octagon measures 135 degrees
A regular polygon having an interior angle measure of 168o has 30 sides and is called a triacontagon.