Предмет: Геометрия, автор: Vasek2007

2. Пасмурный день

лампочка не загорается, поэтому Жарда придумал другой способ определения высоты дерева.

На картинке

рыболовы

х м

2,1 м

2,3 м

41,5 м

Он воткнул вертикальный шест в землю и нашел место, откуда он мог видеть одним глазом верхушку дерева с земли, сразу за верхним концом шеста. Он измерил расстояние глаза от шеста — 2,3 м, расстояние шеста от дерева — 41,5 м, а высоту шеста — 2,1 м.

эт два-

Определите высоту дерева.

Подсказка: вы можете нарисовать каждый из двух треугольников на отдельной картинке.

и присвойте ему длины сторон.

Приложения:

Ответы

Автор ответа: zanbolkobeev999

Ответ:

40м

Объяснение:

данные треугольник подобные поэтому: $\frac{2,1}{2,3} =\frac{x}{43,8}= > x=\frac{2,1*438}{23}$ ≅40м

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