- A60°
- B20°
- C30°
- D45°
Step-by-Step Solution
and lie side by side along one straight line, so °. Then ° and °. (20° comes from wrongly using °.)
Answer: C) 30°
Three straight lines meet at O. Three angles next to each other are and , as shown. Find .
Class 7Angles Around a PointLines and Angles
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