Respuesta :

barleya1
When Triangles are similar it means that the angle measures are equal between the two 
eg) A=6 B=6

So, to answer your questions;
1. y=30 x=1
2. a= 32 b= 12
3. c= 90 d= 11
4. t= 71 s=12

Hope this helps, Brainliest Please