Show that the following points are the vertices of the rectangle.
`A(-4,-1)` ,`B(-2,-4)` ,`C (4,0)` `D(2,3)`

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)

Prove that the points (-4,-1),(-2,-4),(4,0) and (2,3) are the vertices of a rectangle.

Prove that the points (-4,-1),(-2,-4),(4,0) and (2,3) are the vertices of a rectangle.

find the area of the quadrilateral ABCD with vertices A(-2,0),B(0,4),C(4,-2),D(2,2)

Show that the points (-4, -1), (-2, -4), (4, 0) and (2, 3) are the vertices points of a rectangle.

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

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

Show that the points A(1,2),B(1,6), C(1 + 2sqrt(3),4) are the vertices of an equilateral triangle .

Show that the points A(3, 0), B(6, 4) and C(-1, 3) are the vertices of an isosceles right triangle.