P,Q,R,S are feet of perpendiculars from A(1,1,2),B(2,1,3),C(2,2,4),D(1,2,3) on XY-plane then the area of the quadrilateral PQRS can be

P(-5,-3),Q(-4,-6),R(2,-3) and S(1,2) are the vertices of a quadrilateral PQRS,find its area

If P(-5,-3),Q(-4,-6),R(2,-3) and S(1,2) are the vertices of a quadrilateral PQRS, find its area.

If A(1,1),B(2,3),C(-1,1) are the points of P is a point such that the area of the quadrilateral PABC is 3 sq units then locus of P is

Let P(2,1,2),Q(-1,2,3),R(4,1,2) be three points then the equation of the plane parits from it,is units from it,is

Let A, B, C be the feet of perpendiculars from point P(1, –2, –3) on the xy-plane, yz-plane and xz-plane respectively. Find the coordinates of A, B, C.

A(1,-2,3),B(2,1,3),C(4,2,1) and G(-1,3,5) is the centroid of the tetrahedron ABCD if P=D_(y) and q=D_(z) then 13p-11q=