निम्नांकित चित्र में वृत्त की जीवा AB और...

निम्नांकित चित्र में वृत्त की जीवा AB और केन्द्र o है। `angleBAT = 50^(@)` के लिए A पर स्पर्श रेखा AT बनाई जाती है, तो `angleADB` = ?

A

`120^(@)`

B

`130^(@)`

C

`140^(@)`

D

`150^(@)`

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The correct Answer is:

2

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