in each of the following figure, O is the centre of the circle. Find the size of each of the lettered angle
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these are all the answers
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![](https://hi-static.z-dn.net/files/dd0/48cd5284cec360266b9adf41b797fb85.jpg)
![](https://hi-static.z-dn.net/files/de7/1b0efc44841cc7e53ff3b4f9b94c100b.jpg)
![](https://hi-static.z-dn.net/files/d60/fe066dab5969f0547b7a2ba0be5c143e.jpg)
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