Class 6 Maths Understanding Elementary Shapes Three Dimensional Shapes


Three Dimensional Shapes

The shapes which can be measured in 3 directions are called three-dimensional shapes. These shapes are also called solid shapes. Length, width, and height (or depth or thickness) are the three measurements of the three-dimensional shapes. Sphere, cone, cylinder, cuboid, cube are examples of three-dimensional shape.

Faces, edges and vertices:

Let us consider cube.

Each side of the cube is a flat surface called a flat face or simply a face.

When two faces meet at a line segment then it is called an edge.

Three edges meet at a point called a vertex.


Problem: What shape is:

(a) Your instrument box?            (b) A brick?                       (c) A match box?

(d) A road-roller?                          (e) A sweet laddu?


(a) An instrument box has shape of cuboid.


(b) A brick has shape of cuboid.


(c) A match box has shape of cuboid.



(d) A road-roller has shape of cylinder.


(e) A sweet laddu has shape of Sphere.


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