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In the figure below, AB is a chord of a ...

In the figure below, AB is a chord of a circle with centre O. A tangent AT is drawn at point A so that `/_BAT=50^@`. Then `/_ADB = ?`

A

`120^@`

B

`130^@`

C

`140^@`

D

`150^@`

Text Solution

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The correct Answer is:
B
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