How Do You Calculate Angles in a Circle with Tangents and Chords?

wei1006
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O is the centre of the circle and XTY is a tangent to the circle. The chord TC intersects the diameter BOD at Z. If angle TÂB = 124° and angle CBD = 28° calculate
1) angle YTB
2) angle CTD
3) angle BOT
4)angle DZC
5) angle OTD
6) angle CTY
 

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Hello Wei, welcome to PF :)

You erased the template by accident. Its use is mandatory in PF, for good reasons. Read the guidelines if you don't believe me.

1. Homework Statement

2. Homework Equations

3. The Attempt at a Solution

On top of that, we're not allowed to assist if someone doesn't show and post his own effort to attack the exercise...
 

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