a triangle has three corners 三角形有三个角
The Numbers at the corners are again the indices used in the triangle strip.
角上的数字同样是在三角形带中使用的索引。
The most versatile shape is a simple right triangle, made by bringing two opposite corners together to fold the square in half.
最多才多艺形状是一个简单的直角三角形，使提出的两种截然相反的角落折叠在一起的平方的一半。
There are 3 ants at 3 corners of a triangle, they randomly start moving towards another corner. What is the probability that they don't collide?
有三只蚂蚁，在三角形的三个角落，同时朝着另一个角随机出发了，什么情况下他们不会撞上？
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