Each interior angle is 150 degrees
Each interior angle measures 140 degrees
Each interior angle is: 1540 17' 8.57''
Each interior angle: 1640 20' 52.17''
Divide the 360 by 10
Each interior angle is 150 degrees
108'
Each interior angle measures 140 degrees
Each interior angle measures 144 degrees
Each interior angle is 162 degrees.
Each interior angle is: 1520 18' 27.69''
Each interior angle is: 1540 17' 8.57''
Each interior angle: 1640 20' 52.17''
The 7 interior angles add up to 900 degrees and each interior angle is 900/7
135 degrees
Each interior angle of the regular 8 sided octagon measures 135 degrees
Providing that it is a regular 15 sided polygon then each interior angle will be 156 degrees