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In triangle ABC ~ triangle PQR, angle A = 50° and angle B = 60°. Find angle R (in degrees).

Class 10Similarity and CongruenceGeometry — Similarity
  • A77
  • B70
  • C140
  • D63

Step-by-Step Solution

angle C = 180 - 50 - 60 = 70°. Since the triangles are similar, angle R = angle C = 70°.
Answer: B) 70

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