- A35°
- B55°
- C135°
- D125°
Step-by-Step Solution
∠ and ∠BOC form a linear pair, so they add up to .
Answer: D) 125°
AOB is a straight line and ray OC makes ∠BOC = 55° with it, as shown. Find ∠AOC.
Class 7Adjacent and Vertically Opposite AnglesLines and Angles
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