Tuesday, November 2

Facts about Triangles

Triangle Facts

Triangles are polygons with three sides, three angles, and three vertices. The inside angles of a triangle always add up to 180 degrees.

Do you know what the three main types of triangles are? Let me tell you.


The three main types of triangles are: 

  • equilateral triangle 
  • isosceles triangle 
  • scalene triangle.

An equilateral triangle is where all three sides are the same length.

An isosceles triangle is a triangle that has two sides that are the same length.

A scalene triangle is where all three sides have different lengths.


Can you draw an equilateral, isosceles, and scalene triangle?


Here are some books about triangles:

1. Triangles by Yusuke Yonezu

2. Triangles- Picture book by David Adler

3. Shapes in Math, Science and Nature: by Catherine Ross

4. Shape Up!: Fun with Triangles and Other Polygons by David Adler

Parents, please ensure books are child-friendly before reading them to your child/children.



  1. no i do not know what the three Triangles now i
    do so think you mimi jones

    1. You are welcome! I hope you enjoyed learning about triangles.


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