线段OA垂直OB,EB垂直OB,OA=OB=EB,AE与BO交于点C,且BC=OC,D为线段OA上一点,BD交AE于点P.1,如图11,当AD比OD=1时,求AP比PC的值.2,如图12,当AD比OD=2时,求AP比PC的直.3,请直接写出当AD比OD=3时及AD比OD=n时,AP比PC的值
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![线段OA垂直OB,EB垂直OB,OA=OB=EB,AE与BO交于点C,且BC=OC,D为线段OA上一点,BD交AE于点P.1,如图11,当AD比OD=1时,求AP比PC的值.2,如图12,当AD比OD=2时,求AP比PC的直.3,请直接写出当AD比OD=3时及AD比OD=n时,AP比PC的值](/uploads/image/z/4491392-32-2.jpg?t=%E7%BA%BF%E6%AE%B5OA%E5%9E%82%E7%9B%B4OB%2CEB%E5%9E%82%E7%9B%B4OB%2COA%3DOB%3DEB%2CAE%E4%B8%8EBO%E4%BA%A4%E4%BA%8E%E7%82%B9C%2C%E4%B8%94BC%3DOC%2CD%E4%B8%BA%E7%BA%BF%E6%AE%B5OA%E4%B8%8A%E4%B8%80%E7%82%B9%2CBD%E4%BA%A4AE%E4%BA%8E%E7%82%B9P.1%2C%E5%A6%82%E5%9B%BE11%2C%E5%BD%93AD%E6%AF%94OD%3D1%E6%97%B6%2C%E6%B1%82AP%E6%AF%94PC%E7%9A%84%E5%80%BC.2%2C%E5%A6%82%E5%9B%BE12%2C%E5%BD%93AD%E6%AF%94OD%3D2%E6%97%B6%2C%E6%B1%82AP%E6%AF%94PC%E7%9A%84%E7%9B%B4.3%2C%E8%AF%B7%E7%9B%B4%E6%8E%A5%E5%86%99%E5%87%BA%E5%BD%93AD%E6%AF%94OD%3D3%E6%97%B6%E5%8F%8AAD%E6%AF%94OD%3Dn%E6%97%B6%2CAP%E6%AF%94PC%E7%9A%84%E5%80%BC)
线段OA垂直OB,EB垂直OB,OA=OB=EB,AE与BO交于点C,且BC=OC,D为线段OA上一点,BD交AE于点P.1,如图11,当AD比OD=1时,求AP比PC的值.2,如图12,当AD比OD=2时,求AP比PC的直.3,请直接写出当AD比OD=3时及AD比OD=n时,AP比PC的值
线段OA垂直OB,EB垂直OB,OA=OB=EB,AE与BO交于点C,且BC=OC,D为线段OA上一点,BD交AE于点P.
1,如图11,当AD比OD=1时,求AP比PC的值.
2,如图12,当AD比OD=2时,求AP比PC的直.
3,请直接写出当AD比OD=3时及AD比OD=n时,AP比PC的值.
我传不了图
线段OA垂直OB,EB垂直OB,OA=OB=EB,AE与BO交于点C,且BC=OC,D为线段OA上一点,BD交AE于点P.1,如图11,当AD比OD=1时,求AP比PC的值.2,如图12,当AD比OD=2时,求AP比PC的直.3,请直接写出当AD比OD=3时及AD比OD=n时,AP比PC的值
1.AP:PE=1:2,设AP=X,PC=Y,则x:(y+x+y)=1:2,所以x:y=2,所以AP比PC的值为2;
2.AP:PE=2:3,设AP=X,PC=Y,则x:(y+x+y)=2:3,所以x:y=4,所以AP比PC的值为4;
3.AD:OD=3时,AP比PC的值为6;AD:OD=n时,AP比PC的值为2n
1.过点C作CF∥PD交OD于点F,则OF=FD,∵AD:OD=1:1,∴PA:PC=4:1
2.过点C作CF∥PD交OD于点F,则OF=FD,∵AD:OD=2:1=4:2,∴PA:PC=4:1
3.过点C作CF∥PD交OD于点F,则OF=FD,∵AD:OD=3:1=6:2,∴PA:PC=6:1