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Теорема косинусів
- Теорема косинусів
- Теорема косинусов.
- Теорема косинусов
- Теорема косинусов
- Теорема косинусів та наслідок з неї
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Теорема косинусів
ekaterina47, May 23, 2017
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1. Теорема косинусів
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2. Теорема косинусов.
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3. Теорема косинусов
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4. Теорема косинусов
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5. Теорема косинусів та наслідок з неї
Теорема косинусів
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We start with an acute triangle ABC and construct a square on each side. The altitudes of the triangle extended to the opposite sides of the corresponding squares cut each square in two rectangles. Use the GeoGebra applet below to demonstrate the Law of Cosines: . This applet is based on the article “The Cuoco Configuration” by Roger E. Howe, The American Mathematical Monthly, Vol. 120, Dec. 2013, 916- 923. |
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