有一根直尺的短边长是2cm,长边长是10cm,还有一块锐角为45°的指教三角板,它的斜边长是12cm ,如图(1)直尺的短边DE放置于直角三角板的斜边AB上,且点D与A重合,将直尺的短边DE放置与三角板的斜
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 04:01:38
![有一根直尺的短边长是2cm,长边长是10cm,还有一块锐角为45°的指教三角板,它的斜边长是12cm ,如图(1)直尺的短边DE放置于直角三角板的斜边AB上,且点D与A重合,将直尺的短边DE放置与三角板的斜](/uploads/image/z/8313282-18-2.jpg?t=%E6%9C%89%E4%B8%80%E6%A0%B9%E7%9B%B4%E5%B0%BA%E7%9A%84%E7%9F%AD%E8%BE%B9%E9%95%BF%E6%98%AF2cm%2C%E9%95%BF%E8%BE%B9%E9%95%BF%E6%98%AF10cm%2C%E8%BF%98%E6%9C%89%E4%B8%80%E5%9D%97%E9%94%90%E8%A7%92%E4%B8%BA45%C2%B0%E7%9A%84%E6%8C%87%E6%95%99%E4%B8%89%E8%A7%92%E6%9D%BF%2C%E5%AE%83%E7%9A%84%E6%96%9C%E8%BE%B9%E9%95%BF%E6%98%AF12cm+%2C%E5%A6%82%E5%9B%BE%EF%BC%881%EF%BC%89%E7%9B%B4%E5%B0%BA%E7%9A%84%E7%9F%AD%E8%BE%B9DE%E6%94%BE%E7%BD%AE%E4%BA%8E%E7%9B%B4%E8%A7%92%E4%B8%89%E8%A7%92%E6%9D%BF%E7%9A%84%E6%96%9C%E8%BE%B9AB%E4%B8%8A%2C%E4%B8%94%E7%82%B9D%E4%B8%8EA%E9%87%8D%E5%90%88%2C%E5%B0%86%E7%9B%B4%E5%B0%BA%E7%9A%84%E7%9F%AD%E8%BE%B9DE%E6%94%BE%E7%BD%AE%E4%B8%8E%E4%B8%89%E8%A7%92%E6%9D%BF%E7%9A%84%E6%96%9C)
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