MathematicsIn If and , then find

In If and ,


then find


  1. A
    12
  2. B
    18
  3. C
    20
  4. D
    25 

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    Solution:

    Concept: The ΔABC is split into two right-angled triangles by the line through M. We will formulate this theorem for ΔAMB and ΔBMC using Pythagoras' Theorem. The answer is obtained after writing the equations and replacing the term from the question.
    Given <BMC = 90 degree  <ABC =0 solutionIn AMB and CMB Using pythagoras theorem
    Equation (1) - equation (2)
    Hence, the correct answer is option 4
     
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