Предмет: Математика, автор: vika20112006vika

чему равен х?даю 50 баллов​

Приложения:

Ответы

Автор ответа: kozhuhovayuliya03
1

Ответ:

x = 127°

Пошаговое объяснение:

1) 90°+90°+90°+143° = 413°

2) 540°-413° = 127°

vika20112006vika: почему 540?
kozhuhovayuliya03: 540° это сумма углов в пятиугольнике
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