1.
an equilateral triangle
等边三角形,正三角形
2.
trigonal hybrid orbital
正三角形杂化轨函数
3.
Diamond;Triangle Down;Triangle Up;Arrow Down;Arrow Up;Star;Circle
菱形;倒三角形;正三角形;向下箭头;向上箭头;星形;圆形
4.
Diamond;Triangle Down;Triangle Up;Arrow Down;Arrow Up;Star;Circle;None
菱形;倒三角形;正三角形;向下箭头;向上箭头;星形;圆形;无
5.
an octahedron with eight equilateral triangles as faces.
有八个正三角形面的八面体。
6.
Conbining rotation to find the smallest regular triangle containing a polygon;
结合旋转求包含多边形的最小正三角形
7.
Triangle, rectangle, square
三角形，长方形，正方形
8.
Line, circle, square and triangle
直线，圆形，正方形，三角形
9.
a square equivalent to a triangle
同三角形等积的正方形
10.
Triangle, rectangle, aquare and circle!
三角形，长方形，正方形和圆形！
11.
The reciprocal of the tangent of an angle in a right triangle.
余切直角三角形中角的正切的倒数
12.
The reciprocal of the sine of an angle in a right triangle.
余割直角三角形中一个角正弦的倒数
13.
It can make triangle, rectangle, positive five Squareness, positive hexagon, roundness and so on.
可以折三角、矩形、正五方形、正六方形、圆弧等形状。
14.
Draw a diagonal line to divide the square into two triangle
画一条对角线,把正方形分成两个三角形
15.
Draw a diagonal line to divide the square into two triangles.
画一条对角线,把正方形分成两个三角形。
16.
a regular polygon formed by completing two equilateral triangles from a regular hexagon.
来自于正六角形的两个完全等边三角形组成的正多边形。
17.
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。
18.
Distance-regular Graphs with Kite-free or Triangle-free
不含kite或三角形的距离正则图