Suggested Answer
Answer: Replacing with the equivalences: ∠DOB has a measure of 3.5y, the measure of ∠AOD is y, and ∠AOC + ∠COB measure 180°, we get: 3.5y = y + 180°. 3.5y - y = 180°. 2.5y = …Step-by-step explanation:
Suggested Answer
DOB = 403.5y+y=1804.5y = 180180/4.5=40