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if angle 1 = 108°
angle 4 = 108°
angle 2 = 360° -108°×2/2
= 360°-216°/2
= 144°/2
= 72°
angle 3 = 72°
angle 5 = 72 °
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Answer:
∠2=72°
∠3=72°
∠4=108°
∠5=72°
Step-by-step explanation:
i. Given that, ∠1=108°
∠5 = 180°–∠1= 72°
ii. Since ∠5=∠2 [opposite angles]
∠2 = 72°
iii. l || m
and t is transversal,
Therefore, ∠5=∠3=72° [similar angles]
iv. ∠4= 180°–∠3= 108°
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