The Total degree of a triangle is 100.
A)45+15=180-60
=120
B)
720 degree
C)The hexagon is 720 degrees
D)180 degree
E)A polygon side have 120 degree
900รท120=7
F)sorry idk.Am going from down
G)4 sides=90 degree
Remember,Each polygon side have 120 degree
Good luck!