Each interior angle measures 140 degrees
If it's a regular 9 sided nonagon then each interior angle is 140 degrees and they all add up to 1260 degrees
Each interior angle is 150 degrees
Each interior angle: 1640 20' 52.17''
Each interior angle is: 1540 17' 8.57''
180degrees. From C2H5.OH: Above is obviOusly wrong, that's a straight line. Correct answer is 140 degrees.
It can be any size at all, between zero and 360 degrees.If the nonagon is regular, then the angle measures 140 degrees.
If it's a regular 9 sided nonagon then each interior angle is 140 degrees and they all add up to 1260 degrees
Each interior angle is 150 degrees
108'
Each interior angle measures 144 degrees
Each interior angle is 162 degrees.
Each interior angle is: 1520 18' 27.69''
Each interior angle: 1640 20' 52.17''
Each interior angle is: 1540 17' 8.57''
360/9 = 40 degrees
135 degrees
The 7 interior angles add up to 900 degrees and each interior angle is 900/7