Question

Qn)prove that angle subtended by an arc at the centre of a circle is double the angle subtended by it at any point on the remaining part of the circle.using above find the value of angle BCD. In fig if O is the centre of the circle and and BOD=136 degree​
please help me...
Using proof.. Class 9​

Answer 1

Answer:

Proof is given in the image

Step-by-step explanation:

<BCD= <BOD/2

=136/2

=68° ANS.