prism
The 2 dimensions of 2d shapes and length and breadth.
They are 2 dimensional shapes that only have length and width.
Square.
You multiply length and breadth (width).
No, octagons just have to be closed shapes with eight sides - the sides do not have to be of equal length.
a prism
2d shapes only have length and width, while 3d shapes have length, width and depth.
Shapes with an irregular cross-section.
The 2 dimensions of 2d shapes and length and breadth.
You multiply the width with the length.
Shapes that have length, width and depth are considered to be 3 dimensional
3D shapes have three dimensions, namely length, breadth and height.
The difference is that two-dimensional shapes have a length and a width while three-dimensional shapes have a length, width, and depth. While some examples of two-dimensional shapes are circle, rectangle, and triangle, example of three-dimensional figures are a sphere, cuboid, and a pyramid.
Shapes are two dimensional; that is, they have length and height, like a square. Forms are three dimensional; they have length width and height, like a cube.
Three dimensional shapes are shapes with height, width, and depth. In contrast, two dimensional shapes only have height and width, or length and width.
They are 2 dimensional shapes that only have length and width.
Square.