A pentagon (5 sided polygon) has the sum of its interior angles equal 540°.
The formula for a general N-sided polygon is:
1800 degrees
1440 degrees
1440 degrees
The interior angle of any regular polygon can be calculated using the formula 180 * (n - 2) / n, where n is the number of sides. In this case, since each exterior angle measures 72 degrees, the interior angle would be 180 - 72 = 108 degrees. So the measures of the interior angles in this regular polygon would be 108 degrees.
If each interior angle measures 174 degrees then it will have 60 sides
Providing that it is a regular 18 sided polygon each interior angle measures 160 degrees.
Each interior angle measures 140 degrees
If it's a regular polygon then each interior angle measures 120 degrees.
Interior angle = 120 degrees Exterior angle = 60 degrees
The polygon will have 12 equal sides and each interior angle measures 150 degrees.
Each exterior angle measures 20 degrees Each interior angle measures 160 degrees
128.57 degrees