A scalene triangle has 0 lines of symmetry. An isosceles triangle has only 1 line of symmetry. An equilateral triangle has a maximum number of reflection symmetry equal to 3. Hence, it has three line of symmetry. To learn more about reflection-symmetry, click here!
OpenStax College Physics, Chapter 4, Problem 21 (Problems & Exercises)
Find the number of lines of symmetry for each of the following shapes
What shape has more lines of symmetry the isosceles triangle or
Geometry: 2.6 Line symmetry OpenLearn - Open University
CPM Homework Help : INT2 Problem 1-6
Line of Symmetry Explained
Infill patterns Prusa Knowledge Base
Our BaaS Environment
How many lines of symmetry does an isosceles triangle have
Can you draw a triangle, which has exactly two lines of symmetry
Flowchart 1: dynamic relaxation method combined with a flexible