A) \[{{120}^{{}^\circ }}\]
B) \[{{150}^{{}^\circ }}\]
C) \[{{144}^{{}^\circ }}\]
D) \[{{40}^{{}^\circ }}\]
Correct Answer: C
Solution :
(c): \[100%\cong {{360}^{{}^\circ }}c\] \[\therefore 1%\cong {{3.6}^{{}^\circ }}c\] \[\therefore 40%\cong {{3.6}^{{}^\circ }}\times {{40}^{{}^\circ }}c={{144}^{{}^\circ }}.\]You need to login to perform this action.
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