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Triangle ABC ~ triangle PQR with area(ABC):area(PQR) = 25:36.
The sum of the perimeters of the two triangles is 110 cm.
Find the perimeter of triangle PQR (in cm).

Class 10Areas of Similar TrianglesGeometry — Similarity
  • A54
  • B120
  • C60
  • D66

Step-by-Step Solution

Perimeter ratio = √(25/36) = 5:6. Parts = 5+6 = 11; 110/11 = 10 per part. Perimeter of PQR = cm.
Answer: C) 60

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