# NCERT Class 11 Mathematics Solutions: Chapter 12 –Introduction to Three Dimensional Geometry Miscellaneous Exercise Part 2

Get unlimited access to the best preparation resource for KVPY : fully solved questions with step-by-step explanation- practice your way to success.

1. If the origin is the centroid of the triangle with vertices , then find the values of

It is known that the coordinates of the centroid of the triangle, whose vertices are and , are

So, coordinates of the centroid of

It is given that origin is the centroid of .

So, the respective values of are .

2. Find the coordinates of a point on y-axis which are at a distance of from the point .