Предмет: Геометрия, автор: maksnoev

Дано: ∠1 = ∠2, ∠3 = 108°. Найти: ∠4.

Приложения:

Ответы

Автор ответа: nastabutilina5

0

Ответ:

Т.К. угол 1=углу 2,а они внутр.односторонние при прямых a||b и секущей c.Следовательно a||b.

Угол 3=углу4 как вертикальные углы.Угол 2=108°

Т.к. угол 1=углу2 а они внутр.одностор.,их сумма равна 180°,значит угол1=180-108=72

угол 2 = угол 4.Т.к. внутр накр. лежащие при прямых а||б и секущей с.,значит угол 4=108

Объяснение:

У тебя на рисунке не обозначен угол 3 и угол 4

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