(2013•安徽)我们把由不平行于底的直线截等腰三角形的两腰所得的四边形称为“准等腰梯形”.如图1,四边形ABCD即为“准等腰梯形”.其中∠B=∠C. (1)在图1所示的“准等腰梯形”AB
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/03 00:40:31
![(2013•安徽)我们把由不平行于底的直线截等腰三角形的两腰所得的四边形称为“准等腰梯形”.如图1,四边形ABCD即为“准等腰梯形”.其中∠B=∠C. (1)在图1所示的“准等腰梯形”AB](/uploads/image/z/14948264-56-4.jpg?t=%EF%BC%882013%26%238226%3B%E5%AE%89%E5%BE%BD%EF%BC%89%E6%88%91%E4%BB%AC%E6%8A%8A%E7%94%B1%E4%B8%8D%E5%B9%B3%E8%A1%8C%E4%BA%8E%E5%BA%95%E7%9A%84%E7%9B%B4%E7%BA%BF%E6%88%AA%E7%AD%89%E8%85%B0%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E4%B8%A4%E8%85%B0%E6%89%80%E5%BE%97%E7%9A%84%E5%9B%9B%E8%BE%B9%E5%BD%A2%E7%A7%B0%E4%B8%BA%E2%80%9C%E5%87%86%E7%AD%89%E8%85%B0%E6%A2%AF%E5%BD%A2%E2%80%9D%EF%BC%8E%E5%A6%82%E5%9B%BE1%2C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E5%8D%B3%E4%B8%BA%E2%80%9C%E5%87%86%E7%AD%89%E8%85%B0%E6%A2%AF%E5%BD%A2%E2%80%9D%EF%BC%8E%E5%85%B6%E4%B8%AD%E2%88%A0B%3D%E2%88%A0C%EF%BC%8E+%EF%BC%881%EF%BC%89%E5%9C%A8%E5%9B%BE1%E6%89%80%E7%A4%BA%E7%9A%84%E2%80%9C%E5%87%86%E7%AD%89%E8%85%B0%E6%A2%AF%E5%BD%A2%E2%80%9DAB)
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