If the centroid of the triangle formed by the points `(3,-5),` `(-7, 4),` `(10 ,-k)` is at the point `(k , -1)`, then `k=`

Find the centroid of the triangle formed by the points (2,7) (3,-1)(-5,6).

The centroid of the triangle formed by (7, 4), (4, -6), (-5, 2) is

The centroid of the triangle formed by (2, -5), (2, 7), (4, 7) is

Find the value of k, if the area of the triangle formed by the points (k,0),(3,4) and (5,-2) is 10.

If the centroid of the triangle formed by the lines 2y^2+5xy-3x^2=0 and x + y =k is (1/18,11/18) , then the value of k is

Find the nine point centre of the triangle formed by (5,-1), (-2,3)(-4,-7) whose orthocentre is the origin.

Find the centroid of the triangle mid points of whose sides are (1,2,-3),(3,0,1)and (-1,1,4)

) Six points(x,yi),i=1,2, ,.., 6 are taken on the circle x4 such that the circle x2 + y 4 such that 6 6 J:1-8 and Σ, 4 . The line segment X,=8 and and 2-yi = 4. The line segment x1 i=1 joining orthocentre of a triangle formed by any three points and centroid of a triangle formed by other three points passes through a fixed i=1 points (h,k), then h+k is A) 1 B) 2 C) 3 D) 4

The points (K, 3), (2, -4) and (-K+1,-2) are collinear. Find K.

The points (k-1, k+2),(k , k+1),(k+1, k) are collinear for