如图,已知∠1=∠2,则添加下列一个条件后,仍无法判定△ABC∽△ADE的是( )
A:ABAD=BCDE
B:ABAD=ACAE
C:∠B=∠ADE
D:∠C=∠E
—She is about my _______, hair, and wears a pair of glasses.
读图完成下题.(tan35°≈0.7,tan45°=1,tan60°≈1.732)
如图,⊙I为△ABC的内切圆,AB=9,BC=8,AC=10,点D、E分别为AB、AC上的点,且DE为⊙I的切线,则△ADE的周长为 ____