Well, darling, shapes with only one line of symmetry are like the lone rangers of the symmetry world. We're talking about your squares, rectangles, and isosceles triangles strutting their stuff with just one line to keep them in check. So, if you're looking for a shape that's a bit of a rebel but still plays by the rules, these are the ones for you.
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All regular shapes have a line of symmetry. But you can get rid of its line of symmetry by making it irregular (so the angles aren't the same).
The five shapes that have one line of symmetry are equilateral triangle, isosceles triangle, scalene triangle, rectangle, and rhombus. A shape has one line of symmetry if it can be folded along a line so that the two halves match exactly. In the case of these shapes, there is only one line that can divide the shape into two congruent halves.
A cardioid has 1 line of symmetry.
Yes, they do exist. In fact, there are infinitely many of them.
Symmetry is a shape, object or drawing that on both sides are exactly the same! So a square, rectangle, circle, diamond, and more.When you draw something like a square cut it out and see how many times you can fold it. If you can fold it one time that fold represents a line of symmetry! A heart ❤️ has one line of symmetry. If you can not fold it with equal parts on both sides then it does not have a line of symmetry.