如图,△ABC∽△DAB,AB=8,BC=12,求AD的长.

问题描述:

如图,△ABC∽△DAB,AB=8,BC=12,求AD的长.

∵△ABC∽△DAB,

BC
AB
AB
AD

∵AB=8,BC=12,
12
8
8
AD

∴AD=
16
3