AOB is a straight line. If ∠AOC = 125°, what is the value of ∠BOC?
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Worked Solution
Step 1: Angles on a straight line add up to 180°.
Step 2: So, ∠AOC + ∠BOC = 180°.
Step 3: 125° + ∠BOC = 180°.
Step 4: ∠BOC = 180° - 125° = 55°.
Answer: 55°
Correct answer: 55°
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