1. Английский язык
  2. Куст сирени, высота которого

Куст сирени, высота которого 2,4м, растет на расстоянии 1,5м от уличного фонаря. при этом длина тени куста 0,5 м. определите высоту фонаря.

ttyt3 ttyt3    3   19.05.2019 20:10    3

Ответы
TEMOXAA TEMOXAA  13.06.2020 02:25

По отношению треугольников.

 

0.5м (длина тени) / 2.4м (высота дерева) = 2м (тень + расстояние до столба) / Х м.

 

Х = 9.6 м

Высота столба 9.6 м

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