4. find the measure of each interior angle of a regular polygon with 12 sides.

1800 degrees
150 degrees
180 degrees
145 degrees

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220