These 2 triangles are similar.
what is the length of x

Answer:
x = 15
Step-by-step explanation:
Since the triangles are similar, then the ratios of corresponding sides are equal, that is
[tex]\frac{9}{3}[/tex] = [tex]\frac{x}{5}[/tex] ( cross- multiply )
3x = 45 ( divide both sides by 3 )
x = 15