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意大利科学家伽利略在400年前曾指出:“宇宙大自然的奥秘写在一部巨书上,而这部巨书是用数学语言书写的,圆、三角形和其他图形便是该语言的符号.”三角形是最常见的几何图形之一,它在生产和生活中有着广泛的应用.从自行车的停放,到公元前6世纪古希腊哲学家泰勒斯对埃及金字塔的测量,以及现代卫星定位原理的理论依据,都离不开三角形的知识.三角形是最简单的封闭图形,也是研究几何的重要基础.同学们在小学时对三角形便
Galileo, the Italian scientist, pointed out 400 years ago: “The mystery of the universe’s nature is written on a huge book written in mathematical language, symbolized by circles, triangles and other figures. ”Triangles are one of the most common geometries and are widely used both in production and in their lives, from the parking of bicycles to the measurement of the Egyptian pyramid by Thalassus, the ancient Greek philosopher of the 6th century BC, as well as the principles of modern satellite positioning Of the theoretical basis, are inseparable from the knowledge of the triangle.Text is the simplest closed graphics, but also an important foundation for the study of geometry.Students in the primary school when the triangle