Question

in figure of triangle xyz,xa is median and ABIIXY show that YB is also median

Answer 1

(Drawing is attached)

XA is a median Therefore YA=AZ
XY//BA
A is the mid-point of YZ
By converse of Mid-Point Theorem
B is the mid-point of XZ
BX=BZ
 
∴ YB is also a median.