6th Class Mental Ability Geometry Question Bank Geometry

  • question_answer 3) Complementary angle of half of \[60{}^\circ \] is?

    A) \[60{}^\circ \] 

    B)        \[30{}^\circ \]

    C) An obtuse angle  

    D)       A right angle

    E) None of these

    Correct Answer: A

    Solution :

    Explanation Option [a] is correct. Complementary angle of half of \[60{}^\circ =90{}^\circ -~\frac{60{}^\circ }{2}\text{=}\,90{}^\circ -30{}^\circ =60{}^\circ ,\]                

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