题目内容

如图,都是等腰直角三角形,于点分别交于点

试猜测线段的数量和位置关系,并说明理由.

解析解:猜测 ······················· 2分
理由如下:

·········· 3分
都是等腰直角三角形.
························· 4分
·························· 5分
······························ 6分
···························· 7分
··············· 8分
······························ 9分

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