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.
答
∵△ABC∽△DAB,
∴
=BC AB
,AB AD
∵AB=8,BC=12,
∴
=12 8
,8 AD
∴AD=
.16 3