Question

Can you please answer the question​

Answer 1

Answer:

as AOD is a straight line then..

angle COD + angle BOC + angle AOB =180°

as ...angle COD = 2* angle BOC. AND. angle AOB = 3 angle BOC

then, 2BOC + BOC + 3BOC = 180°

6BOC = 180°

BOC = 30°

And AOB = 3*BOC

AOB = 3* 30°

AOB = 90°

therefore AOB is right angled

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