Question

find the angles marked with letters. (O is the center of the circle) ​

Answer 1

1. a=140(angle in same segment)

2.b=116/2=58(angle in a same segment

3.

d=180-140=40(cyclic quadrilateral)

d=c( base angles are equal)

4. y=80 ( angle in same segments)

try the rest

if doubt than ask

mark brainliest