A) Three
B) Two
C) Six
D) Four
Correct Answer: A
Solution :
[a] Three \[M\times 6\] \[\overset{1}{\mathop{X}}\,-M-\overset{3}{\mathop{X}}\,,\overset{2}{\mathop{X}}\,-M-\overset{4}{\mathop{X}}\,,\overset{5}{\mathop{X}}\,-M-\overset{6}{\mathop{X}}\,\] \[,\,each={{180}^{{}^\circ }}\]You need to login to perform this action.
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