New Register here for RBI, SEBI & NABARD strategy workshop! April 9 at 7 PM

    Question

    If I is the incentre of ΔABC , if  ∠ BAC = 650

    , then what is the measure of  ∠ BIC?
    A 130˚ Correct Answer Incorrect Answer
    B 105˚ Correct Answer Incorrect Answer
    C 112.5˚ Correct Answer Incorrect Answer
    D 122.5˚ Correct Answer Incorrect Answer

    Solution

      If I is the incentre of ΔABC,  then ∠ BIC = 90 0  +  ∠ BAC/2   ∠ BIC  = 90 0  + ∠ BAC /2  ∠ BIC = 900  + 65/2  ∠  BIC = 900 + 32.50      ∠ BAC = 122.50 

    Practice Next

    Relevant for Exams: