10
BE=AE BE+EC=AC=16
BC=26-BE-CE=26-16=10
如图,已知AB=AC=16,DE垂直平分AB,当三角形BEC的周长为26是,求BC的长
如图,已知AB=AC=16,DE垂直平分AB,当三角形BEC的周长为26是,求BC的长
谢谢)图在:file://C:\Documents and Settings\Administrator\Local Settings\Temporary Internet Files\Content.IE5\CYWFJHOP\20080921144248-618825480[1].jpg
谢谢)图在:file://C:\Documents and Settings\Administrator\Local Settings\Temporary Internet Files\Content.IE5\CYWFJHOP\20080921144248-618825480[1].jpg
数学人气:328 ℃时间:2019-08-17 00:46:24
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