Question

What is the value of x in the figure below? In this diagram, AABD ~ ACAD.
A
X
c
B
13
D 3

Answer 1

Answer:

F. $\sqrt{39}$

Step-by-step explanation:

By geometric mean theorem:

${x}^{2} = 13 \times 3 \\ {x}^{2} = 39 \\ x = \sqrt{39}$