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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 `angleADC= 140^@,` then `angleBAC` is equal to

A

`80^(@)`

B

`50^(@)`

C

`40^(@)`

D

`30^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
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