Find a and b. (Class 7 - Chapter 7 - lines and angles).
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Answer:
∠a = 60° ∠b= 120°
Step-by-step explanation:
∠a = 60° (alternate interior angle)
∠b = 180 - ∠a = 180 - 60 (linear pair of angles)
∴∠b = 120°
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