Answer:
[tex]x=20[/tex]
Step-by-step explanation:
Since angle RTS is a right angle, we have three similar triangles.
Thus, [tex]\frac{x}{25} = \frac{16}{x}[/tex]
Cross Products, [tex]x^2=400[/tex]
Take the square root: [tex]x=20[/tex]
x=20
RTS is a right triangle so you cross multiply
