Question 1107615
sum of interior angles is (n-2)*180
measure of a interior angle is [(n-2)/n]*(180)
measure of an exterior angle is 360/n, where n is the number of sides.
24-gon has sum of 3960 degrees, exterior angles of 15 degrees and therefore interior angles of 165 degrees.
30-gon has sum of 5040 degrees, exterior angles of 12 degrees and interior angles of 168 degrees
40-gon has sum of 6840 degrees, exterior angles of 9 degrees and interior angles of 171 degrees