up-side down triangle

Dynamic analysis and contrast of platforms with and without regular and inverted triangle structures;

有无正倒三角形结构平台的动态分析对比

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

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

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

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

When the building collapsed, it made a triangle, and it saved us.

教室倒塌时，刚好形成了一个三角形，救了我们。”

Ascending Triangle

上升三角形、平顶三角形

an equilateral triangle

等边三角形,正三角形

Of or relating to triangles; triangular.

三角形的，三角的与三角（形）有关的，属于三角（形）的

DA triangle with one90° angle is a right triangle.

一个角为90°的三角形是直角三角形。

Notice how many triangles are formed by this couple and their reflections.

注意一下这对情侣和他们的倒影组成了多少个三角形。

triangular diagram

三角形图解,三角图

triangular pediment

成等边三角形的三角墙

the trigonometry of spherical triangles.

球面三角形的三角学。

Many deltas are triangular in shape.

很多三角洲是三角形的。

a triangle whose interior angles are all acute.

内角均为锐角的三角形。

Triangle, rectangle, square

三角形，长方形，正方形

Line, circle, square and triangle

直线，圆形，正方形，三角形

Made up of or marked with triangles.

三角形的由三角形组成的或用三角形表示的