三角形的旋转和平移前后是全等的

Before this, know什么是全等?Examples of Non-Rigid Transformations

Illustrated · 1 min

Are the two triangles congruent?

These triangles are congruent, as shown by the varying number of lines at the angles and on the sides. Vertex A corresponds with Vertex D; Vertex B corresponds with Vertex E, and Vertex C corresponds with Vertex F.

Type a concept, like “slope” or “photosynthesis”.

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