If points `A(5,\ p),\ \ B(1,\ 5),\ \ C(2,\ 1)` and `D(6,\ 2)` form a square `A B C D` , then `p=` (a) 7 (b) 3 (c) 6 (d) 8

Show that the points A(5,\ 6),\ \ B(1,\ 5),\ \ C(2,\ 1) and D(6,\ 2) are the vertices of a square.

Show that the points A (5, 6), B(1,5), C(2, 1) and D(6, 2) are the vertices of a square ABCD.

If the points A(4, 7, 6), B(2, 3, 2), C(-1, -2, -1) and D form a parallelogram, then D-=

Show that the points A (5,6) B (1,5) and C (2,1) and D (6,2) are the vertices of a square ABCD.

If points (1,\ 2),\ (-5,\ 6) and (a ,\ -2) are collinear, then a= (a) -3 (b) 7 (c) 2 (d) -2

Show that the points A(3, 5), B(6, 0), C(1, -3) and D(-2, 2) are the vertices of a square ABCD.

Show that the points A(3,5),B(6,0), C(1,-3) and D(-2,2) are the vertices of a square ABCD.

Show that A(3,10) , B(6,5) , C(1,2) and D(-2, 7) are the vertices of a square

Show that points A (4,-1)B (6,0) C (7,-2) and D (5,-3) are the veties of a square.

If A D is median of A B C and P is a point on A C such that a r\ ( A D P):\ a r\ ( A B D)=2:3,\ then a r( P D C): a r\ ( A B C) is 1:5 (b) 1:5 (c) 1:6 (d) 3:5