问题:
能说明△ABC和△A 1B 1C 1相似的条件是( )
A.AB:A1B1=AC:A1C1
B.AB:A1C1=BC:A1C1且∠A=∠C1
C.AB:A1B1=BC:A1C1且∠B=∠A1
D.AB:A1B1=AC:A1C1且∠B=∠B1
能说明△ABC和△A 1B 1C 1相似的条件是( )
A.AB:A1B1=AC:A1C1 |
B.AB:A1C1=BC:A1C1且∠A=∠C1 |
C.AB:A1B1=BC:A1C1且∠B=∠A1 |
D.AB:A1B1=AC:A1C1且∠B=∠B1 |
参考答案: