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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