Question

Need HELP plzzzzzzzzz

Answer 1

choice 2) angle DOC = 145 degrees

Explanation:

angle ABD = 1/2(30 degree arc) = 15 degrees because of the inscribed angle theorem.

angle AOB = 180 - 20 - 15 = 145 degrees

angle DOC = angle AOB because it is a vertical angle to 145 degrees.

Answer 2

answer = 130 degree.

Explanation:

I hope is correct.