How about an isosceles trapezoid
Yes. Any equilateral shape can have both rotational and line symmetry.
no shape does! * * * * * Not true. A parallelogram has rotational symmetry of order 2, but no lines of symmetry.
Irregular shapes have NO lines of symmetry and all the sides are not the same. A regular shape WILL have lines of symmetry and all the sides are the same. * * * * * Wrong! A kite, for example, is an irregular but it has reflective symmetry. A parallelogram is an irregular quadrilateral but has rotational symmetry.
none shapes have 1 rotational symmetry because in rotational symmetry one is none
circle
A semicircle.
A line segment would have rotational symmetry.
The diagonals of rectangles are rotational lines of symmetry but not reflective. To be reflective lines, folding along the line has to give the same shape on each side.
Rotational symmetry is the amount of symmetry you would have if you rotated the shape.
No.
If it is a regular 5 sided pentagon then its order of rotational symmetry is 5
A tetrad has rotational symmetry of order 4. It also has no lines of symmetry. It is also known as a swastica.