If the x-coordinate of a point `P` on the join of `Q(22,1)a n dR(5,1,-2)i s4,` then find its `z-` coordinate.

Find the coordinates of the midpoint of segment QR, if Q(2.5,-4.3)and R(-1.5,2.7)

A point R with x-coordinate 4 lies on the line segment joining the points P(2,-3,4) and Q(8,0,10) . Find the coordinates of the point R.

The coordinates of the middle points of the sides of a triangle are (4, 2), (3, 3) and (2,2) then the coordinates of the centroid are

Find the coordinates of the midpoint of the segment joining the points (22, 20) and (0, 16)

Find the coordinates of the point where the line through (5,1,6) and (3,4,1) crosses the ZX-plane .

Find the coordinates of the point where the line through (5,1,6) and (3,4,1) crosses the YZ -plane.

PQRS is a rhombus. Its diagonals PR and QS intersect at the points M and satisfy QS =2PR. If the coordinates of S and M are (1,1) and (2,-1) respectively , find the coordinates of P.

PQRS is a rhombus . Its diagonals PR and QS intersect at the point M and satisfy QS=2PR. If the coordinates of S and M are (1,1) and (2,-1) respectively , find the coordinates of P .

If the midpoints of the sides of a triangle are (2,1),(-1,-3),a n d(4,5), then find the coordinates of its vertices.