Answer:
19
Step-by-step explanation:
Given the triangle WXY, with angle X and W to be equal, this shows that the triangle is an isosceles triangle. An isosceles triangle is the one which has two of its sides and its base angle to be the same.
If <X = <W, then The sides YW = XY
That is the other two sides asides from the side XW are equal.
Since YW = 19
Hence the measure of the side XY will also be 19
YW = XY = 19
