Then one side of each of these triangles is brought into a common alignment . 这些三角形的一边会排成一条共同的直线。
If we focus on the coefficients alone, we find pascal's triangle again . 如果我们只注意系数，就重新得到Pascal三角形。
Prominent in the modern elementary geometry of the triangle is the nine-point circle . 九点圆在三角形的现代初等几何中是重要的。
It is not easy to see that there are triangle-free graphs of large chromatic number . 很不容易看出这里是否存在色数很大而没有三角形的图。
Such designs were square, diamond, triangular or hexagonal shaped pellet areas . 这些设计是正方形的，菱形的，三角形的或六角形的小格区域。
The area of a triangle is equal to half the product of any side and the altitude on that side . 三角形的面积等于任何一边与那边上的高的乘积的一半。
The elimination process leading to the eventual formation of an upper triangular matrix is then carried out . 于是进行导致最后形成一个上三角形矩阵的消去手续。
When the fibres are in contact, the resin will form a tricorne-a triangle with curved sides . 在纤维互相接触时，树脂就形成一个曲边三角体--一个带有曲边的三角形。
only a large triangle could possibly reveal any significant departure from an angle sum of 180°. 只有在大的三角形中才可能显示出180与三角和有任何差距。
A triangular opening faced towards the bows of the ship, so that the insider commanded a complete view forward . 朝船头那面开有一个三角形的出入口，因此，在里边的人可以一览无遗地凭眺前面的景色。
