Answer :
A) 16°
the workout
123°+41°+x°(the third angle) =180° (all the angle in a triangle sum up to 180°)
164°+x=180°
x=180°-164°
therefore, x=16°
the workout
123°+41°+x°(the third angle) =180° (all the angle in a triangle sum up to 180°)
164°+x=180°
x=180°-164°
therefore, x=16°