Question

In fig. O is the centre of the circle. The angle subtended by the arc BCD at the center is 140 degree. Determine ∠BAD and ∠DCB. ​

Answer 1

Answer:

Wehavecirclewithcentre0

∠BODiscentralangle

∠BOD=140(Given)

2∠BAD=∠BOD

⇒∠BAD= 1/2 ∠BOD

⇒∠BAD= 140/2

∠BAD =70