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α1=130
α3= 130 poniewaz trojkaty sa podobne i przystajace
α2=360-2*130
α2=100
b)2*20=40
180-40=140
140/2=70
70/2=35
β2=180-35-20=125
β1=180-35*2=110
β3=β2
c)90/2=45
γ3=180-45-25=110
180-90-50=40
40/2=20
γ1=180-20-45=115
γ2=180-25-20=135