Question

3. If the origin is the centroid of the triangle POR with vertices P (20, 2.5).
06-4, 36, -10) and R(8, 14, 20), then find the values of a, b and​

Answer 1

Answer:

we know that for centeroid of triangle with sides A(x1,y1,z1), B(x2, y2, z2) and C(x3, y3, z3) is equal to x'= (x1+x2+x3)/3, y'= (y1+y2+y3)/3 and z'= (z1+z2+z3)/3.

where (x', y', z') are coordinates of centeroid of triangle.