They are all tapered, but there are differences! The cone is the same shape as the cone we eat.

Without edges, the cones we see on the road or on the construction site are called cones, and the pyramids have edges, such as pyramids.

I'll find you two pictures online for you to distinguish.

cone

/sports-goods-store/images/rubber-orange-field-marker-game-cone-28 inches.jpg.

mons/thumb/2/24/Light _ cone . png/478 px-Light _ cone . png

Below is the pyramid.

. tw/catalog/images/pyramid3.gif

http://www.ntut.edu.tw/~s 133 1342/pyramid-s.jpg

I hope the above explanation will make you understand.