No.It is regular because it has at least one line of symmetry
septahedron
A pentagon
Not all 4 sided quadrilaterals have lines of symmetry.
I know a parallelogram has one but none else can you answer my question what other shape What quadrilateral has no line of symmetry?Another Answer:-It is a trapezoid other than an isosceles trapezoid which has one line of symmetry
a shape with a line of symmetry
The 2D shape which has one line of symmetry is the trapezium.
An isosceles triangle has one line of symmetry
square
How about an isosceles triangle which has one line of symmetry
no
Not necessarily.
a triangle only has one line of symmetry
An isosceles triangle
symmetrical
A square
Every right circular cone, conic section, and regular polygon has at least one line of symmetry.