4*∠1 = ∠2 ∠1 + ∠2 = 180 ∠1 = 36 ∠2 = 144
∠3 = ∠2 = 144°
∠1=∠2 = 96:2 = 48
∠3 = 180 - ∠1 = 132°
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4*∠1 = ∠2 ∠1 + ∠2 = 180 ∠1 = 36 ∠2 = 144
∠3 = ∠2 = 144°
∠1=∠2 = 96:2 = 48
∠3 = 180 - ∠1 = 132°