It's brightest star (Beta Trianguli) is a binary star.
Triangulum is the constellation between Aries the Ram and Andromeda. It's also the name of a spiral galaxy - it's named The Triangulum Galaxy because it's found in the Triangulum Constellation.
At least two constellations: Triangulum, and Triangulum Australe.
Aries
Aries is close to these constellations: Perseus Triangulum Pisces Cetus Taurus
a chain of stars
associated with the Zodiac
The alter constellation is also known as Ara. It is a southern constellation. It lies between Scorpius and Triangulum Australe.
The Pisces constellation is actually bordered by several other constellations: Triangulum Andromeda Pegasus Aquarius Cetus Aries
TriangulumAndromedaPegasusAquariusCetusAries
meteor showers
Pollux is the brightest star in Gemini
The name tells us that it is in the Triangulum constellation. That indicates the general direction. Also, the Triangulum Galaxy is approximately 3 million light-years away - fairly close for a galaxy. In other words, it is part of the Local Group.