Предмет: Геометрия, автор: Rusik3011s

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Автор ответа: LN330068
1

Ответ:

Сумма односторонних углов равна 180 градусов

<3=Х

<4=8Х

Х+8Х=180

9Х=180

Х=180:9

Х=20

<3=20 градусов

<4=20•8=160 градусов

<4=<1=160 градусов,как соответственный

<4=<2=160 градусов,как вертикальные

Объяснение:

Rusik3011s: Спасибо огромное
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