In triangle XYZ, Y = 45 degrees and Z = \(120\) degrees. If XZ = 4, then what is XY?
1) Find the size of angle(x): X - 180 - 120 - 45 = 15
2) Use the Law of Sines to find XY: XY / sin(Z) = XZ / sin(Y)
Put in the values and solve ...
