I've been trying to get a answer for this 1 question but literally nobody has answered so if you wanna answer go ahead
i hate my life :D

Answer:
Step-by-step explanation:
Since you can set up a proportion where 30 is to 10 as 10 is to 1 then we see that one triangle is a multiple of the other by a scale factor of 10, so they are similar since they have a scalar multiple. since [tex]\frac{30}{10}[/tex] = [tex]\frac{10}{1}[/tex]