- A250°
- B290°
- C110°
- D180°
Step-by-Step Solution
All four angles add to 360°, so p + q + r = 360° − 70° = 290°. (Check: p = 110°, q = 70°, r = 110°.)
Answer: B) 290°
Two lines cross at a point. One angle is 70° and the other three are p, q and r. Find p + q + r.
Class 7Angles Around a PointLines and Angles
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