Ответ:
1)ABC=180°
NBC=53°
ABN=180°-53°=127°
2) DFE=90°
DFO=28°
OFE=90°-28°=62°
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Ответ:
1)ABC=180°
NBC=53°
ABN=180°-53°=127°
2) DFE=90°
DFO=28°
OFE=90°-28°=62°