Circles and Angles - Central, Inscribed and Tangent Angles and Chords

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Problem #1
What is the length of AC?

Problem #2
What is the measure of the angle x?

Problem #3
What is the measure of the angle x?

Problem #4
What is the value of $\angle TAB$?

Problem #5
What is the value of angle y?

Problem #6
What is the value of angle x?

Problem #7
What is the value of the angle $BAC$?

Problem #8
Given $AB=AC$. What is the value of $\angle BCT$?

Problem #9
What is the value of the angle y?

Problem #10
What is the value of the angle x?

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