Предмет: Геометрия, автор: Sashaefila112

помогите найти х, пожалуйста

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Ответы

Автор ответа: antoninadenisova8

например

угол A=48°

угол D=73°

надо найти X

решение:

назовем треугольники

первый ABC , а второй DCH

значит угол D=углу B (т к накрест лежащие)

угол B=73°

угол A=углу H = 48° (т.к накрест лежащие)

треугольники ABC и DCH (вертикальные)

значит угол C = 180-(73+48)=180-121=59°

x=180-59=121°

ну вроде так)

Sashaefila112: спасибо:)

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