a= 30*
B= 180*-70*-30*= 80*
Kąt a = 30°
Kąt b = 180° - (70° + 30°) = 80°
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a= 30*
B= 180*-70*-30*= 80*
Kąt a = 30°
Kąt b = 180° - (70° + 30°) = 80°