please answer it's emergency
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Step-by-step explanation:
(i) 40° + 30° + a = 180° [Sum of interior angles of triangle]
70° + a = 180°
a = 180° - 70°
a = 110°
b = 40° [Alternate interior angles]
(ii) a = 60°
b = 70°
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Answer:
(1) a=70
b=40
(2)a=70
b=70
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