Предмет: Геометрия, автор: figurnoekatanie2

прямые M и N параллельны Найдите угол 3 равны если угол 1 равен 33,угол 2 равен 90.ответ дайте в градусах

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Автор ответа: nikkonwork

0

Відповідь:

57

Пояснення:

Так как прямые параллельны, угол 1 равен углу с которым секущая пересекает прямую n, там образуется треугольник, у треугольника сумма углов всегда 180. Неизвестный только один угол, как раз который и надо найти. 180 = 90 + 33 + х

х = 180-90-33

х = 57

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