In ∆ ABC, ∠ A = 70° and ∠ B = 60°. Then, the measure of an exterior angle of ∆ ABC can be ……………….. .
A. 50°
B. 110°
C. 100°
D. 70°
Answer:B
In ∆ ABC, ∠ A = 70° and ∠ B = 60°. Then, the measure of an exterior angle of ∆ ABC can be ……………….. .
A. 50° B. 110° C. 100° D. 70°