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Mathematics, 06.12.2021 01:50 xmengeo

O is the centre of a circle. ABC is a straight line.
Angle OBC = 146°
Work out the size of angle AOB.
Give reasons for each step in your working.


O is the centre of a circle. ABC is a straight line. Angle OBC = 146° Work out the size of angle

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O is the centre of a circle. ABC is a straight line.
Angle OBC = 146°
Work out the siz...
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