Real-life objects that have three lines of symmetry are equilateral triangles, certain types of stars (such as a six-pointed star), and certain types of flowers (like a trillium). These objects have rotational symmetry of order three, meaning they can be rotated by 120 degrees and still look the same. The three lines of symmetry intersect at angles of 120 degrees, dividing the object into three equal parts.
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The body has symmetry. The right and left sides are (near) mirror images.
the lines of the brooklin bridge
a split in half heart
A real life example of a line is lines painted on the roadways. These lines divide traffic. Lines are also found on graphic prints and sport fields.
There are three kinds of symmetries for a cube: planes of symmetry, lines of symmetry and a center of symmetry.A cube has:9 planes of symmetry13 lines of symmetry1 center of symmetry (at the center of the cube)