Question

1.
In the figure, O is the centre of the circle. Arc BCD
subtends an angle of 140° at the centre.
BC is produced to Pand CD is joined. Find measure
of 2 DCP.
[CBSE 2012]
A
O
140°
D
B В
с​

Answer 1

Answer:

Answer is 70

Wehavecirclewithcentre0

∠BODiscentralangle

∠BOD=140(Given)

2∠BAD=∠BOD

⇒∠BAD=

2

1

∠BOD

⇒∠BAD=

2

140

=70