如图,等腰△ABC内接于半径为5cm的圆O,AB=AC,tanB=1/3,求
1)BC的长2)AB边上高的长图:http://hiphotos.baidu.com/%C5%A3%C4%CC%BC%D3%B6%B9%D7%D3/pic/item/55...
1)BC的长
2)AB边上高的长
图:https://gss0.baidu.com/7LsWdDW5_xN3otqbppnN2DJv/%C5%A3%C4%CC%BC%D3%B6%B9%D7%D3/pic/item/555d0187eebc58aabe3e1e75.jpg 展开
2)AB边上高的长
图:https://gss0.baidu.com/7LsWdDW5_xN3otqbppnN2DJv/%C5%A3%C4%CC%BC%D3%B6%B9%D7%D3/pic/item/555d0187eebc58aabe3e1e75.jpg 展开
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