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ABCD is a cyclic quadrilateral such that...

ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and angle BAC= `50^@`. Then angle ADC is equal to:
ABCD एक ऐसा चक्रीय चतुर्भुज है कि AB इसे घेरने वाले वृत्त का व्यास ह तथा कोण BAC= `50^@` है| कोण ADC का मान ज्ञात करें |

A

a. `60^@`

B

b. `150^@`

C

c. `130^@`

D

d. `140^@`

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ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and angle ADC = 126^@ , angle BAC is equal to: ABCD एक चक्रीय चतुर्भज है जो इस प्रकार है कि AB इसे घेरने वाले वृत्त का व्यास है तथा कोण ADC = 126^@ , है | कोण angle BAC का मान ज्ञात करें |

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