Answer:
72.9
Step-by-step explanation:
1) Line X and Z is the opposite, line X, Y is the adjacent
2) With this, we can use tangent to calculate the size of the angle
3) We need to inverse tan to find the angle, so on your calculator type:
tan^-1 (13/4)
= 72.89
1 decimal place = 72.9
The size of angle XYZ is 72.9
