Regular polygon with any number of sides, circle, ellipse, isosceles triangle, rectangle, isosceles trapezium, kite, arrowhead.
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
Septahedron
septahedron
1
A 2d shape with uncountable lines of symmetry is a circle.
A triangle, an oval, a trapezoid as well I think.
Ss
Octagon
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