Constellation triangle _ constellation triangle relation

Which constellations are the triangles adjacent to?

There are 15 stars with brightness greater than 6 in the triangle, and the brightest star is triangle α, which is 3.00. Beta star 3.4 1, gamma star 4.00, etc. Adjacent to Perseus, Andromeda, Aries, Pisces and Aries.

This small triangle constellation, which is not too bright, attracted people's attention thousands of years ago and has many names. The ancient Greeks called it a "triangle"; The ancient Romans called it "Sicily in the sky" because Sicily in Italy was triangular; Later, some people called it "Trinity Block" or "St. Peter's Square Block".