Maths help needed

[lol]

Assalamoalaikom!
Can anyone explain to me what lines of symmetry, planes of symmetry, and order of rotational symmetry is ? thank you and please help

 

[kareem]

lines of symmetry : a line that cuts the shape in half and can be more than one its usually clear in 2D shapes
planes of symmetry : same for lines of symmetry but for 3D shapes
rotational symmetry: how many times a shape must rotate 90degree until it comes back to exact way it was