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SAI International School
Sub – Mathematics
Class - IV
Topic – Symmetry
Sub-topic 2 : - Symmetry in 2D shapes and Turns
Symmetry in 2D shapes
1.Triangles
a. Triangle with all equal sides.
It has 3 lines of symmetry.
b. Triangle with two equal sides.
It has only 1 line of symmetry.
c.Triangle with no equal sides.
ci.It has no lines of symmetry.
2.Square
It has 4 lines of symmetry.
