A funnel shape
If you include the base as a side (you should) then the answer is no. If you don't then you can have a tetrahedron. The name implies a solid shape with four (tetra-) sides so the base really should be counted.
it can be any shape
The Parthenon is rectangular in shape.
it has its own shape to it it is not a legal shape but without all of the twists and turns a rectangle.
A funnel shape
dome
yes
The box had a weird shape. The play had a weird conclusion.
They can be designed to hide or highlight certain data
A rectangular boundary is a frame that encapsulates the shape, differentiating it from the rest of the document. It serves to visually emphasize the shape and create a clear separation between the content inside the boundary and the surrounding elements.
Yes, the shape of your cervix will change after you give birth so a doctor can tell visually while examining you.
A 2 dimensional shape (or a 2D shape) is a shape withe a length and height, in some other cases, like a circle or oval or irregular shapes are also 2D shapes. Conclusion: A 2D shape is a shape that only have one section, that can be drawn.
CH4 should have a tetrahedral shape while SnCl4 should have a trigonal bipyramidal shape.
Sladecolour produces a set of buttons designed for the blind and visually impaired that help to relate color to touch. The buttons match 16 colors each to their own unique shape. The buttons can be attached to canisters and containers to identify their contents or sewn to clothing to assist in putting together a color coordinated outfit.
The conclusion of molecular geometry is the three-dimensional arrangement of atoms that determines a molecule's shape. By understanding the arrangement of atoms, scientists can predict a molecule's physical and chemical properties.
The food pyramid is designed to help you better understand what you should eat everyday. It's shape is no accident. The old food pyramid used its shape to represent the amount of each group you should include in your diet. The bottom and middle of the pyramid, the largest part of the pyramid, represents the largest part of your diet. The top and smallest part of the pyramid, represents the nutrients that should be eaten conservatively. The new food pyramid still uses a pyramid shape, but instead uses the pyramid to represent the importance of physical activity. This new pyramid depicts a person walking up stairs to the top of the pyramid, depicting regular exercise.