The diagonals of a parallelogram whose vertices are ( 2 , 3) , (4 , 5) , ( 4 , 9) and (2 , 7) will intersect at ......

Find the angle between the diagonals of parallelogram ABCD whose vertices are A (0, 2), B (2, - 1), C (4, 0) and D (2, 3).

The area of the triangle whose vertices are (2,4),(-3,7) and (-4,5) is:

The volume of the tetrahedron whose vertices are (3, 7, 4), (5, -2, 3), (-4, 5, 6) and (1, 2, 3) are

Consider a parallelogram whose vertices are A (1, 2), B (4, y), C (x, 6) and D (3, 5) taken in order. What is the point of intersection of the diagonals ?

The fourth vertex of a parallelogram,whose consecutive vertices are (3,-4),(-2,1) and (-6,5) is

Consider a parallelogram whose vertices are A (1, 2), B (4, y), C (x, 6) and D (3, 5) taken in order. What is the area of the parallelogram ?

Find the area of the quadrilateral whose vertices are (-3,\ 2),\ (5,\ 4),\ (7,\ -6) and (-5,\ -4)

Find the area of the pentagon whose vertices are (4, 3), (-5, 6), (0, -7), (3, -6), (-7, -2)

Find the area of the pentagon whose vertices are (4, 3), (-5, 6), (0, -7), (3, -6), (-7, -2)