Question

solve Q63! it's urgent

Answer 1

BE is a median of AC , so••• EC = 1/2 of AC
similarly DF is a median of EC, so
•••FC = 1/2 EC

so when we say,
EC = 1/2 AC
1/2 EC = (1/2)*1/2 AC 【multipying 1/2 both the sides】
FC = 1/4 AC
4FC = AC 【take 1/4 on LHS and it changes 1/4 to 4】

very simple