Traffic police man waves his arm in in the air for traffic to go by he moved his arm in a way that forms a 75 degree angle how many square cm does his arm sweep if his arm is 60 cm long

Thats where they was ported and the fields that noone really knew much about needed tended, so they put slaves out there do free work and huge profits and so on the north decided to hold its own and was more different way of survival did not have same climate conditions to afford protecting slaves from winter so expenses be diff from south