(1)答:相似.
∵ AB / A'B' = BC / BC '= 5 / 6,∠B=,∠B'=50°
∴ △ABC∽△A'B'C'
(2) AD/A'D'=AB / A'B'=5/6
(3) ∵ AE/A'E'=5/6 ,AE=4.5
∴ A'E'=AE*6/5=4.5*6/5=5.4
(1)答:相似.
∵ AB / A'B' = BC / BC '= 5 / 6,∠B=,∠B'=50°
∴ △ABC∽△A'B'C'
(2) AD/A'D'=AB / A'B'=5/6
(3) ∵ AE/A'E'=5/6 ,AE=4.5
∴ A'E'=AE*6/5=4.5*6/5=5.4