Question

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 :

• A. 64⁰
• B. 84⁰
• C. 128⁰
• D. 132⁰

Answer 1

Answer:

C. 128⁰

<ACO=22 <BCO =44 <AOC=136 <BOC=96 <AOB=360-(136+96)=128