similar triangles

例句：

1. 1. These two shapes are similar triangles.
   这两个形状是相似的三角形。
2. 2.The similarity between the two cultures is evident in their similar triangles.
   两种文化之间的相似之处在它们的相似三角形中显而易见。
3. 3.The similarity of the two designs is striking.
   这两种设计的相似性令人印象深刻。