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AP EAMCET202422 May 2024Evening ShiftMathematicsProperties of TrianglesActual

In a ABC if a=13, b=14, c=15 then r₁=

Options

  1. A23 2
  2. B21 2
  3. C25 2
  4. D26 3

Correct answer

B. 21 2

Step-by-step solution

aligned & a=13, b=14, c=15 ~s = a+b+c 2 =21 & Area ( )= s ( s -13)( s -14)( s -15) =84 & r₁= s -a = 84 21-13 = 21 2 aligned

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