An isosceles triangle and a kite have only one line of symmetry.
septahedron
A 2d shape with uncountable lines of symmetry is a circle.
Octagon
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The 2D shape which has one line of symmetry is the trapezium.
An isosceles triangle and a kite have only one line of symmetry.
A square
Square
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A triangle, an oval, a trapezoid as well I think.
Septahedron
septahedron
1
A 2d shape with uncountable lines of symmetry is a circle.
Octagon
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