AOB is a straight line. If ∠AOC = 125°, what is the value of ∠BOC?
Show Worked Solution
Worked Solution
Angles on a straight line add up to 180°.
So, ∠AOC + ∠BOC = 180°.
125° + ∠BOC = 180°.
∠BOC = 180° - 125° = 55°.
Key formula: Sum of angles on a straight line = 180°
Answer: 55°
Correct answer: 55°
Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.
Start Free Trial — 7 Days Free