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JEE Main2005MathematicsProperties of TrianglesActual

ABC is a triangle. Forces P , Q , R acting along I A, I B and I C respectively are in equilibrium, where I is the incentre of A B C . Then P: Q: R is

Options

  1. AA: B: C
  2. BA 2 : B 2 : C 2
  3. CA 2 : B 2 : C 2
  4. DA: B: C

Correct answer

C. A 2 : B 2 : C 2

Step-by-step solution

Using Lami's Theorem P: Q: R= A 2 : B 2 : C 2 .

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