中考数学——旋转中常见模型1、等腰直角三...
中考数学——旋转中常见模型
1、等腰直角三角形外嵌45度模型
2、等腰直角三角形内含于135度模型”。
3、120度等腰三角形内嵌60度模型
4、120度等腰三角形外嵌60度模型
5、折弦模型
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中考数学——旋转中常见模型
1、等腰直角三角形外嵌45度模型
2、等腰直角三角形内含于135度模型”。
3、120度等腰三角形内嵌60度模型
4、120度等腰三角形外嵌60度模型
5、折弦模型