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Автор - 142637890

Найдите неизвестные углы на рисунке от a до e или любые буквы
Срочно, помогите пожалуйста !!!!
20 баллов

Ответ

Автор - JhoraHoroshyj

д) треугольники равны, 180=40+40+х

х=180-80=100

а) 90+х+55=180

х=35

б) 90+х+(180-140)=180

х=180-90-40=50

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