In the figure, O is the centre of the circle and A, B, C are points on it. <OAC=22°, <OBC= 42°. The measure of <BOA is :
A64⁰
B84⁰
C128⁰
D132⁰
In the figure, O is the centre of the circle and A, B, C are points on it. <OAC=22°, <OBC= 42°. The measure of <BOA is :
A64⁰
B84⁰
C128⁰
D132⁰
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