Answer:
a. 3/4, b. 3.75
Step-by-step explanation:
a.
AC is 8, A'C is 6. 6/8 = 3/4
b.
3/4(AB) = 5
5 * (3/4) = 3.75
ABC~A'B'C
A'B'/AB=A'C/AC
5/AB=6/(6+2)
5/AB=6/8
5/AB=3/4
5×4=3×AB
20/3=AB
AB=6.66
