A) \[90{}^\circ \]
B) \[135{}^\circ \]
C) \[45{}^\circ \]
D) \[180{}^\circ \]
Correct Answer: A
Solution :
[a] Central angle \[=\frac{1}{4}\times 360{}^\circ =90{}^\circ \]You need to login to perform this action.
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