Question

7. In a circle with centre o If chord AB = chord CD
and m angle AOB= 80° then m angle OCD=?​

Answer 1

Answer:

80°

Step-by-step explanation:

Since ∆AOB are congruent ∆COD by.....[AO=CO by Radius and OB=OD by Radius and AB=CD Given]

so,

OCD=80° by...........[by CPCT]

hence, OCD=80°