\(\triangle ABC \sim \triangle PQR\) with \(\angle A = 50°\) and \(\angle B = 60°\). Then \(\angle R = \)
A. 50°
B. 70°
C. 60°
D. 110°
A. 50°
B. 70°
C. 60°
D. 110°
Best answer
Answer: B. 70°
Corresponding angles are equal: \(\angle R = \angle C = 180° - 50° - 60° = 70°\).
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