如图:若△ABE≌△ACF,且AB=5,AE=2,则EC的长为( ) A.2 B.3 C.5 D.2.5
问题描述:
如图:若△ABE≌△ACF,且AB=5,AE=2,则EC的长为( )
A. 2
B. 3
C. 5
D. 2.5
答
∵△ABE≌△ACF,AB=5,
∴AC=AB=5,
∵AE=2,
∴EC=AC-AE=5-2=3,
故选B.