Discover a wealth of knowledge and get your questions answered at IDNLearn.com. Join our community to receive prompt and reliable responses to your questions from experienced professionals.
Answer:
x = 16/7 = 2 2/7
Step-by-step explanation:
In the similar triangles, ...
DE/DA = BC/BA
4/7 = x/4 . . . . . . . . substitute the numbers given
x = 16/7 = 2 2/7 . . . . multiply by 4