A Circle
icosikaioctagon
Square
the shape with the most sides is unknown
he most common shape is a rectangular prism.
The shape with the fewest corners, ie the sphere.
The most common light bulb shape used in households today is the A19 shape.
icosikaioctagon
Square
Because that is the most efficient shape for materials used.
I would belive the most used shape in the world would be the triangle because computer game, and video game designers use them to create everything in the virtual world and they are also used in bridges a lot aswell.
the shape with the most sides is unknown
a donut shape will hold the most weight.and also an l shape
An inverted U shape is the most common tunnel shape as this is the strongest.
The shape of an airplane
he most common shape is a rectangular prism.
A baluster is a supporting shaft, used as part of the design for various railings and furniture. The baluster shape can also be used in architectural designs.
This depends on the shape used. For the most efficient quadrilateral parallelogram (the square), this perimeter would be 28 feet. For the most efficient shape of all (the circle), it would be 24.81 feet. For a shape with minimal width, it is infinitely long and would have a perimeter of infinity.