9514 1404 393
Answer:
45.6
Explanation:
There is a geometric mean rule that is derived from the fact that all of these right triangles are similar. It tells you the side (27) is the geometric mean of the hypotenuse (z) and the segment of it adjacent to that side (16).
27 = √(16z)
z = 27²/16 = 45.5625
z ≈ 45.6