在Rt△ABC中,∠B=90°,∠A=30°,AE为∠A的平分线,交BC于E,D为AC边上的中点,连接BD,交AE于F,
来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/22 05:59:44
在Rt△ABC中,∠B=90°,∠A=30°,AE为∠A的平分线,交BC于E,D为AC边上的中点,连接BD,交AE于F,则∠BFE=_____,∠ADF=_____.
Mo Yan is famous for his works.(改为同义句)Mo Yan is _____ for his works.
上个月我们和另一所学校打比赛输了.Last month,we _____ _____ another school and _____.
Daming is sure of his story.(改为同义句)Daming is _____ _____ his story.
Mo Yan is famous for his works.(改为同义句)Mo Yan is _____ for his works.
上个月我们和另一所学校打比赛输了.Last month,we _____ _____ another school and _____.
Daming is sure of his story.(改为同义句)Daming is _____ _____ his story.
∠BFE=45°,∠ADF=120°.1、known 2、played with lost 3、see to
在Rt△ABC中,∠B=90°,∠A=30°,AE为∠A的平分线,交BC于E,D为AC边上的中点,连接BD,交AE于F,
已知,如图,在Rt△ABC中,∠BAC=90°,AB=AC,D为AC的中点,连接BD,作AE⊥BD交BC于E,求证:∠A
如图,在△ABC中,∠A=90°,AB=AC,D为AC的中点,AE⊥BD于点E,延长AE交BC于点F,求证:∠ADB=∠
已知:在△ABC中,∠A=90°,AB=AC,D为AC中点,AE⊥BD于E,延长AE交BC于F,求证:∠ADB=∠CDF
如图,Rt△ABC中,∠BAC=90°,AB=AC,D为AC的中点,AE⊥BD交BC于E,连接ED,若∠BDE =α,则
已知在△ABC中,∠BAC=90°,AB=AC,D为AC的中点,AE⊥BD于E,延长AE交BC于F,求证:∠ADB=∠C
如图在等腰三角形ABC中,∠ABC=90°,D为AC边上的中点,过D作DE⊥DF,交AB于E,交BC于F.若AE=4,F
如图,在Rt△ABC中,∠A=90°,点D为斜边BC上一点,且BD=BA,过点D作BC的垂线,交AC于点E,求证:AE=
如图,在等腰三角形ABC中,∠ABC=90°,D为AC边上中点,过点D作DE⊥DF,交AE于E,交BC于F.若AE=4,
如图,在Rt△ABC中,∠A=90°,AD⊥BC,D为垂足,∠ABC的平分线交AD,AC于点E,请说明AE=AF
如图:在△ABC中,∠A=90°,AD⊥BC于D,P为AD的中点,BP交AC于E,EF⊥BC于F,若AE=3,EC=12
如图,在△ABC中,已知∠A=90°,AB=AC,D为AC上一点,AE⊥BD于E,延长AE交BC于F,问:当点D满足什么