File:Green equilateral triangle point up.svg - Wikimedia Commons
Triangle center - Wikipedia
Can an equilateral triangle also be isosceles?
File:Equilateral triangle with side 2.svg - Wikipedia
Altitude (triangle) - Wikipedia
Equilateral triangle - Wikipedia
Sierpiński triangle Overlord In Terms of Core Issues Around Maximal Engagement with Key Notions of the Über-Feral
The anatomy of a triangle - Math & Science - Brain Brooder
Equilateral triangle - Wikipedia
Equilateral triangle, Math Wiki
Can an equilateral triangle also be isosceles?
Euler line - Wikipedia