1103020801

SubArea: 
Points and vectors
Level: 
A
Project ID: 
1103020801
Accepted: 
1
Clonable: 
0
Easy: 
0
Find the coordinates of the midpoints of the line segments AB, BC, AC. For coordinates of the points A, B and C, see the picture.
SAB=[−12;1],  SBC=[4;2],  SAC=[12;4]
SAB=[−32;2],  SBC=[1;3],  SAC=[52;4]
SAB=[12;1],  SBC=[4;2],  SAC=[−12;4]
SAB=[1;−12],  SBC=[2;4],  SAC=[4;12]