如图,在△ABC中,AB=AC,AB的垂直平分线交BC的延长线于E,交AC于F,
题型:选择题
问题:
如图,在△ABC中,AB=AC,AB的垂直平分线交BC的延长线于E,交AC于F,∠A=50°,AB+BC=16cm,则△BCF的周长和∠EFC分别为( )
A.16cm,40°
B.8cm,50°
C.16cm,50°
D.8cm,40°
如图,在△ABC中,AB=AC,AB的垂直平分线交BC的延长线于E,交AC于F,∠A=50°,AB+BC=16cm,则△BCF的周长和∠EFC分别为( )
A.16cm,40°
B.8cm,50°
C.16cm,50°
D.8cm,40°