1. Один из углов параллелограмма равен 40°. Найдите
остальные углы.
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2
13.09.2020 21:50
2
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1
Допустим угол А=40°
А=С= 40°
180-40=140°
140°=В
В=Д=140°
ответ: А=С=40°
В=Д=140°
угол а= углу с=40
угол б= углу д=140,тк 180-40=140
надеюсь