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ABCD is a cyclic quadrilateral such that...

ABCD is a cyclic quadrilateral such that AB is the diameter of the circle circumscribing it and `angle ADC=129^@`. Then `angle BAC` is equal to:
ABCD एक ऐसा चक्रीय चतुर्भुज है कि AB इसे घेरने वाले वृत्त का व्यास है तथा `angle ADC=129^@` है | कोण BAC का मान ज्ञात करें |

A

`51^@`

B

`39^@`

C

`61^@`

D

`49^@`

Text Solution

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The correct Answer is:
B
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