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AP EAMCET20227 Jul 2022Evening ShiftMathematicsProperties of TrianglesActual

In a A B C , if a=4, b=5 and c=7 , then ( A 2 )=

Options

  1. A3 35
  2. B35 3
  3. C2 35
  4. D1 35

Correct answer

A. 3 35

Step-by-step solution

aligned & (*) a=4, b=5, c=7 & s= a+b+c 2 = 4+5+7 2 = 16 2 & s=8 & A 2 = (s-b)(s-c) b c & = (8-5)(8-7) 5 7 = 3 35 & aligned

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