Question

12 ABCO are points on a clacle. The chords
AC; BD intersect at E.if angle BEC-130
angle ECD-20. Then,
1. What is the measure of angleBOC?
2- What is the measure of angleAOC?
what is the measure of angleABC?​

Answer 1

Answer:

ABCDEFGHIJKLMNOPQRSTUVWXYZ