Предмет: Геометрия, автор: Аноним

На рисунку а || b, <7 = 120°
Знайдіть всі інші кути. СРОЧНО

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Автор ответа: kholyavskij

2

Сумма смежных углов 180 градусов => <8 = 180-120 = 60.
<7 = <3 = 120, <4 тоже 60.
сумма внутренних углов тоже 180 => <3 + <5 = 180 => <5 = 180 - 120 = 60,
<6 = 120.
<5 = <1 = 60, <2 = 120

Ответ:
<1 = 60
<2 = 120
<3 = 120
<4 = 60
<5 = 60
<6 = 120
<8 = 160

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