In the given figure, $AT$ is tangent to a circle centred at $O$. If $\angle CAT = 40°$, then $\angle CBA$ is equal to

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Question

In the given figure, $AT$ is tangent to a circle centred at $O$. If $\angle CAT = 40°$, then $\angle CBA$ is equal to

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Accepted Answer

Step 1: By alternate segment theorem, $\angle CBA = \angle CAT = 40°$

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