Question

Can someone please answer. There is one problem. There's a picture. Thank you!

Answer 1

By Sine Rule:

sinz/10 = sin96/48

sinz = 10*sin96/48 = 10*0.9945/48 ≈ 0.2072

z = sin⁻¹(0.2072)

z = 11.958°

z ≈ 12°