Answer:
Explanation:
This is a geometric means problem. 6 is the altitude, which belongs to both of those smaller triangles; thus, it is the geometric means. We set up the proportion like this:
and we cross multiply to solve.
8(b + 3) = 36 and
8b + 24 = 36 and
8b = 12 so
b = 3/2 or 1.5