Предмет: Математика, автор: burdonova165

Дано: ∢4=108°,∢8=55°. Вычислите все углы.

Приложения:

Ответы

Автор ответа: vovka545

Ответ:

1)108

2)72

3)72

4)108

5)55

6)125

7)125

8)55

Пошаговое объяснение:

Автор ответа: dyexfnf

Ответ:

Пошаговое объяснение:

∢4=∢1, так как они вертикальные и равны по 108°

∢2=∢3=(360-108*2)/2=72° оба угла по 72°

∢8=∢5 и они равны по 55°

∢6=∢7 = (360-55*2)/2= 125 ° оба угла по 125°

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