sausage
Septahedron
a triangle only has one line of symmetry
An isosceles triangle
A square
a Square.
A square
Septahedron
A two dimensional heart shape is vertically symetrical.
a shape with a line of symmetry
The 2D shape which has one line of symmetry is the trapezium.
Hexagon
How about an isosceles triangle which has one line of symmetry
An isosceles triangle has one line of symmetry
Not necessarily.
no
the shape is a heart.
a triangle only has one line of symmetry