`"P"(6," "3," "2)," Q"(5," "1," "3)"andR"(3," "3," "5)` are three vertices of a triangle `"P Q R"dot` Find `/_"P Q R"dot`

The points P(0, 6), Q(-5, 3) and R(3, 1) are the vertices of a triangle which is

If p (3, 2, 3), Q (4, 6, 2), R (7, 3, 2) are the vertices of DeltaPQR , then find angleQPR=

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

Show that points P(1,-2),Q(5,2),R(3,-1),S(-1,-5) are the vertices of a parallelogram.

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

Show that the points P(2,1), Q(-1,3) , R (-5,-3) and S (-2,-5) are the vertices of a square .

If G(3, -5, r) is centroid of triangle ABC where A(7, - 8, 1), B(p, q, 5) and C(q + 1, 5p, 0) are vertices of a triangle then values of p, q, r are respectively ...

The vertices of Delta PQR are P" "(2," "1) , Q" "(2," "3) and R" "(4," "5) . Find equation of the median through the vertex R.

If G(3,-5,r) is centroid of triangle ABC where A(7,-8,1), B(p,q,5) and C(q+1,5p,0) are vertices of a triangle then values of p,q,r are respectively