Answer:
XYsq = 9sq - 6sq
XY = √45 = 6.7 units
cosZ = 6/9 = .666
Z = 48.25°
sinY = 6/9 = .666
Y = 41.75°
hope it helps :D
X< 7/12
Step-by-step explanation:
Answer: D for the first one and B for the second