Question

find the value of x?​

Answer 1

Answer:

8cm

Step-by-step explanation:

by similarity of triangles

tri(ABC) similar to tri(DAC)

:. AC / BC = DC / AC

:. x/BC = DC/x

:. $x^{2}$= BC*DC

:. $x^{2}$=16*4

:. x = $\sqrt{16*4}$

:. x = 4*2

:. x = 8cm