C is the centroid of △ABD. find the following:
1. If CD = 12, find FC.
2. If BG= 15, find BC.
3. If AE = 21, find EC.
4. If FA = 6, find BA.
5. If CG = 3.5, find BC.​

C is the centroid of ABD find the following1 If CD 12 find FC 2 If BG 15 find BC 3 If AE 21 find EC4 If FA 6 find BA 5 If CG 35 find BC class=