当你走近它时，会看到每个水平部分由两个互为直角的单元组成。
When you get closer, you see that each horizontal section is made up of two pieces that converge in a right angle.
例如，直角三角形斜边的平方，等于其它两边的平方和。
For example the square on hypotenuse of a right Angle triangle is equal to the sum of the squares of the other two sides.
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。
The most versatile shape is a simple right triangle, made by bringing two opposite corners together to fold the square in half.
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