题目内容
如图所示,已知B、C、D是线段AE上的点,如果AB=BC=CE,D是CE的中点,BD=3,则线段AE的长度为______.
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设CD=x,
∵AB=BC=CE,D是CE的中点,
∴AB=BC=CE=2x,
∵BD=3,
∴3x=3,解得x=6,
∴AE=AB+BC+CE=2x+2x+2x=6x=6.
故答案为:6.
∵AB=BC=CE,D是CE的中点,
∴AB=BC=CE=2x,
∵BD=3,
∴3x=3,解得x=6,
∴AE=AB+BC+CE=2x+2x+2x=6x=6.
故答案为:6.
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