Well there both even numbers so the gcf factor would have to be even also
60 = 1,2,3,4,5,6,10,12,15,20,30,60
72 = 1,2,3,4,6,8,9,12,18,24,36,72
The Gcf would be 12
Answer:
yes and no,depends.
parrallel cant make any angles exept 180-straight line angle.
1 + -4
2 + -5
3 + -6
4 + -7
1 1/2 cause your getting half not just sum
