Answer:
z = [tex]\frac{50}{3}[/tex]
Step-by-step explanation:
The ratio of corresponding sides are equal, that is
[tex]\frac{z}{10}[/tex] = [tex]\frac{20}{12}[/tex] ( cross- multiply )
12z = 200 ( divide both sides by 12 )
z = [tex]\frac{200}{12}[/tex] = [tex]\frac{50}{3}[/tex]