Question

Problem is in the picture below

Answer 1

90 maybe is a correct answer

Answer 2

Y=40°

Explanation:

VUW~YXZ

VWU~YZX

YXZ+XYZ+YZX=180°

70°+XYX+70°=180°

140°+XYZ=180°

XYZ=180°-140°

XYZ=40°