如图,在
中,
,以点
为圆心,任意长为半径画弧,分别交边
、
于点
、
,分别以点
、
为圆心,以大于
的长为半径画弧,两弧交于点
,连接
并延长交
于点
,过点
作
于点
,在
上取点
,使得
,连接
,若
,
,则
的长为______ .
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更新时间:2022-09-13 20:03:13
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