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| правый треугольник | |||
| прямоугольный треугольник | |||
| прямоугольный треугольник (which consists of two legs and a hypotenuse Val_Ships) | |||
| прямоугольный треугольник (If one leg and the hypotenuse of a right triangle is congruent with the hypotenuse and one leg of another right triangle then the right triangles are congruent.) | |||
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| прямоугольный треугольник | |||
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right triangles : 18 phrases, 7 sujets |
| Architecture | 1 |
| Astronomie | 1 |
| Général | 2 |
| Makarov | 3 |
| Mathématiques | 5 |
| Nautique | 1 |
| Technologie | 5 |