кут АВС = розгорнутий
АВС = 180°
АВD = ABC - CBD
ABD = 180-41
ABD= 139°
кут STK розгорнутий
STK=180°
OTK = STK - OTS
OTK = 180 - 105
OTK= 75°
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кут АВС = розгорнутий
АВС = 180°
АВD = ABC - CBD
ABD = 180-41
ABD= 139°
кут STK розгорнутий
STK=180°
OTK = STK - OTS
OTK = 180 - 105
OTK= 75°