Question

construct an triangle XYZ XY=6 cm Y=60° and X=45° measure Z

Answer 1

Angle X+angleY+angleZ=180 angle sum property of atriangle
60+45+Z=180
Z=180-105
Z=75

Answer 2

angle x +angle y + angle z=180°
45°+ 60°+z=180°
z=180°-105°
z=75°