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Description
A polygon with three edges and three vertices.
Properties
Vertices:
3
Edges:
3
Angles:
3 angles (sum = 180°)
Interior:
120°
Symmetry:
6
Diagonals:
0
Types:
Equilateral, Isosceles, Scalene
Real Life Examples 🌍
Examples: Bridges, roof trusses, traffic warning signs
Explanation: Triangles are strong shapes that do not easily collapse. They distribute weight evenly.
Why used: Provides stability and strength in construction and structures.
Fun Facts 🎉
- • All triangular angles add up to 180 degrees
- • The Bermuda Triangle is a famous triangular region