Show that the following points are the vertices of a rectangle.
(i) A(-4, -1), B(-2, -4), C(4, 0) and D(2, 3)
(ii) A(2, -2), B(14, 10), C(11, 13) and D(-1, 1)
(iii) A(0, -4), B(6, 2), C(3, 5) and D(-3, -1)

Show that the following points are the vertices of a rectangle : (i) A(4, 2), B(0, -4), C(-3, -2), D(1, 4) (ii) A(1,-1), B(-2, 2), C(4, 8), D(7, 5)

Show that the following points are the vertices of a rectangle : (i) A(4, 2), B(0, -4), C(-3, -2), D(1, 4) (ii) A(1,-1), B(-2, 2), C(4, 8), D(7, 5)

Show that the following points are the vertices of a square: (i) A(3, 2), B(0, 5), C(-3, 2) and D(0, -1) (ii) A(6, 2), B(2, 1), C(1, 5) and D(5, 6) (iii) A(0, -2), B(3, 1), C(0, 4) and D(-3, 1)

Show that the following points are collinear: (i) A(2, -2), B(-3, 8) and C(-1, 4) (ii) A(-5, 1), B(5, 5) and C(10, 7) (iii) A(5, 1), B(1, -1) and C(11, 4) (iv) A(8, 1), B(3, -4) and C(2, -5)

The points A (- 4, - 1), B (-2, - 4), C (4, 0) and D (2, 3) are the vertices of a

The points A(2,-1,4),B(1,0,-1),C(1,2,3) and D(2,1,8) form a

Find the area of quadrilateral whose vertices are: A(-3,1),B(-2,-2),D(1,4),C(3,-1)

Match the following list of animals with their level of organisation. (A) (a - 2), (b - 3), (C-4), (d - 1) (B) (a - 2), (b - 4), (C-3), (d - 1) (C) (a - 4), (b - 1), (C-2), (d - 3) (D) (a - 1), (b - 4), (C-3), (d - 2)

Show that the points A(1,3),B(2,6),C(5,7) and D(4,4) are the vertices of a rhombus .