Question

Hey friends plz help me with this....​..

Answer 1

Answer:

< bad = 1/2 of <bod (remaining part of circle )

<bad = 1/2 of 140'

<bad = 70 '

<bad + < bcd = 180' (opposite angle of a cyclic quadrilateral )

70' + < bcd = 180'

<bcd = 180' - 70'

<bcd = 110'