What is the measure of the angle at the centre representing people walking?
A) \[{{144}^{\circ }}\]
B) \[{{48}^{\circ }}\]
C) \[{{36}^{\circ }}\]
D) \[{{72}^{\circ }}\]
Correct Answer: A
Solution :
Required angle (subtended) \[=\text{ }360{}^\circ -120{}^\circ -72{}^\circ -24{}^\circ \Rightarrow \]
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