Question

Pleasse explain:))))

Answer 1

If YW is median of the triangle, then it will cut the triangle in two equal halves, in that situation, base portion of the triangle must be cut into two equal length.
i.e., XW = WZ

In short, Your Answer would be Option A

Hope this helps!

Answer 2

The median means  In geometry, a median of a triangle is a line segment joining a vertex to the midpoint of the opposing side. so that means W is the midpoint

meaning  WX ad WZ are congruent because w is the middle of XZ

Your welcome