Summary of Class 12 Maths Three Dimensional Geometry Summary of Class 12 Maths Three Dimensional Geometry Distance Formula If A(x 1 , y 1, z 1 ) and B(x 2 , y 2, z 2 ) are two points in the 3-D space, then the distance between them is given by D = √[( x 2 – x 1 ) 2 + (…
