A cylinder which the length of the tube is equal to to diameter of the circle.
An oval or an eclipse.
A circle
It looks like a square shape.
A circle with a triangle at the top
Well the shape looks a lot like a circle spiral...
A Cone
Cone shaped
A quadrilateral looks like any 4 sided shape such as a square or a rectangle.
A sphere or a globe is a 3D circular shape
A rhombus
It looks like a beam of light. And the light show be shown in a circle shape.
It looks like a big bright circle in the sky