中考数学:图形变换与视图

A middle-school mathematics practice set on geometric transformations and views: axis symmetry, translation, rotation, central symmetry, similarity transformation (position-similarity), and three-view/net diagrams of solids.

  • Distinguish axis-symmetric figures from centrally symmetric figures
  • Apply coordinate rules for reflection, translation, and rotation of points
  • Compute similarity ratios in position-similarity transformations
  • Reconstruct a solid shape from its three orthographic views

面向中国中考数学的原创练习:轴对称、平移、旋转、中心对称、位似、简单三视图与展开图。

示例问题

下列关于图形平移的描述,哪些是正确的?

查看答案

平移后图形的形状和大小保持不变, 平移后对应点连线平行且相等

平移是全等变换,形状和大小不变,对应点连线平行且相等。平移过程中所有点移动的距离是相等的。

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