A) \[100{}^\circ \]
B) \[60{}^\circ \]
C) \[30{}^\circ \]
D) \[90{}^\circ \]
Correct Answer: D
Solution :
(d): Note that \[6,6\sqrt{3},12\] are Pythagorean triplets \[\Rightarrow \] It is a right angled \[\Delta \]\[\Rightarrow \]\[\angle M=90{}^\circ \]
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