360 degrees
180
1260 degrees
360 degrees
A parallelogram has four sides. All four sided figures have a sum of the interior angle measures equal to 360°.
find the sum of the measures of the interior angles of 13-gon.
360 degrees
1,080
Sum= 2340 Degrees A+
180
1260 degrees
2340
1260 degrees
1260 degrees
360 degrees
360 degrees.
180