If you can execute a reflection, rotation, or translation on a figure and the picture remains the same, you have symmetry. Translation, rotation, reflection, and glide reflection are the four basic types of symmetry. Drawing a mirror line through the middle of a form and observing if both parts are identical is a good way to check for symmetry. The 6 types of triangles can be listed as, acute triangle, obtuse triangle, right triangle, equilateral triangle, isosceles triangle, and scalene triangle.Symmetry When two parts of anything are identical, it is said to be symmetrical. Which Types of Triangles Have Reflection Symmetry?Īll equilateral and isosceles triangles have reflection symmetry. Which Types of Triangles Have 3 Lines of Symmetry?Īll equilateral triangles have 3 lines of symmetry as three lines of symmetry can pass through the vertex of this triangle.
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