如图,在△ABC中,点E是BC边上的一点,连接AE,BD垂直平分AE,垂足为F,交AC于点D,连接DE.
(1)若△ABC的周长为18,△DEC的周长为6,求AB的长.
(2)若∠ABC=30°,∠C=45°,求∠CDE的度数.
(1)若△ABC的周长为18,△DEC的周长为6,求AB的长.
(2)若∠ABC=30°,∠C=45°,求∠CDE的度数.
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更新时间:2021-09-28 14:55:47
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