解直角三角形 (24 19:42:5)1,在Rt△ABC中,∠C=90°,AC=8,∠A的平分线交BC于D,该平分线长(16√3)/3求角B的度数及边BC,AB的长2等腰三角形的底边长20cm,面积为(100/3)*√3cm2,求它的各内角
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![解直角三角形 (24 19:42:5)1,在Rt△ABC中,∠C=90°,AC=8,∠A的平分线交BC于D,该平分线长(16√3)/3求角B的度数及边BC,AB的长2等腰三角形的底边长20cm,面积为(100/3)*√3cm2,求它的各内角](/uploads/image/z/1255863-39-3.jpg?t=%E8%A7%A3%E7%9B%B4%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2+%2824+19%3A42%3A5%291%2C%E5%9C%A8Rt%E2%96%B3ABC%E4%B8%AD%2C%E2%88%A0C%3D90%C2%B0%2CAC%3D8%2C%E2%88%A0A%E7%9A%84%E5%B9%B3%E5%88%86%E7%BA%BF%E4%BA%A4BC%E4%BA%8ED%2C%E8%AF%A5%E5%B9%B3%E5%88%86%E7%BA%BF%E9%95%BF%EF%BC%8816%E2%88%9A3%EF%BC%89%2F3%E6%B1%82%E8%A7%92B%E7%9A%84%E5%BA%A6%E6%95%B0%E5%8F%8A%E8%BE%B9BC%2CAB%E7%9A%84%E9%95%BF2%E7%AD%89%E8%85%B0%E4%B8%89%E8%A7%92%E5%BD%A2%E7%9A%84%E5%BA%95%E8%BE%B9%E9%95%BF20cm%2C%E9%9D%A2%E7%A7%AF%E4%B8%BA%EF%BC%88100%2F3%EF%BC%89%2A%E2%88%9A3cm2%2C%E6%B1%82%E5%AE%83%E7%9A%84%E5%90%84%E5%86%85%E8%A7%92)
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