Position vector in 2 dimensional plane and 3 dimensional plane

Addition of vectors in 3 dimensional space

Components of vector joining two point in 2 and 3 dimensional plane

Classify the following as 2 dimensional and 3 dimensional shapes. (i) Circle (ii) Pyramid (iii) Cube (iv) Kite

What is meant by dimensional formula and dimensional equation? Give examples.

Maximum possible numbers of two dimensional and three dimensional lattices are respectively

Dimensional Analysis