When you change the quick picture, the problem always changes and so does the sum of the problem, but if you like change the same numbers around you gonna get the same outcome.
Answer:
Yes, ALL equilateral triangles are similar. By definition they all have the characteristics given above, which means that they are all completely proportional, which means they are all similar.
Plus x on bot sides. then divide both sides by 2 to get y by itself.
