A) \[30{}^\circ \]
B) \[45{}^\circ \]
C) \[60{}^\circ \]
D) \[90{}^\circ \]
Correct Answer: B
Solution :
Each acute angle\[=\frac{180-90}{2}\] \[=\frac{90}{2}=45{}^\circ \]You need to login to perform this action.
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