Find 
in Fig 3.33 if 
It is mentioned in the question that:
∠B + ∠C = 180° (Angles on the same side of transversal)
120o + ∠C = 180°
∠C = 60°
23
Find in Fig 3.33 if
It is mentioned in the question that:
∠B + ∠C = 180° (Angles on the same side of transversal)
120o + ∠C = 180°
∠C = 60°