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AP EAMCET201920 Apr 2019Evening ShiftMathematicsProperties of TrianglesActual

In A B C, (r₂+r₃ ) ( B+C 2 )=

Options

  1. Aa+b+c
  2. Ba
  3. Cb
  4. Dc

Correct answer

B. a

Step-by-step solution

Given, in A B C aligned & (r₂+r₃ ) ( B+c 2 )= ( s-b + s-c ) A 2 & = (s-c+s-b) (s-b)(s-c) s(s-a) aligned =2 s-b-c=a Hence, option (b) is correct.

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