Answer:
DE= 3
DF= 4
Step-by-step explanation:
if triangle DEF is similar to ABC THAT MEANS
A=D
B=E
C=F
step 1
DE=AB
DF=AC
if EC=5 and AC =10 that lets you know that triangle DEF is half of the size of ABC.
so your going to divide by 2
AB/2= DE (6/2=3)
AC/2= DF= (8/2=4)
