已知等腰△ABC的三个顶点都在半径为5的⊙O上，如果底边BC的长为8，那么BC边上的高为_1．_刷题宝

题干

已知等腰△ABC的三个顶点都在半径为5的⊙O上，如果底边BC的长为8，那么BC边上的高为____．

上一题下一题 0.0难度选择题更新时间:2015-07-06 05:41:07

答案(点此获取答案解析）

8或2

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