Hi guys this one is annoying me a lot
heres the question with the figure
Q) In the figure shown point O is the center of the semicircle, point B,C ,D lie on the semicircle. if the lenght of line segment AB is equal to the line segment OC then then what is the degree measure of angle BAO?
1) angle COD is equal to 60 degrees
2) Angle BCO is 40 degrees
Answer is D
but I dont get how 1 applies
thanks
