Thu 9 Apr, 2015 09:54 am - Explain how you would prove if four given points are coplanar. Use your method to determine if
A (3, 1, 4), B (7, -2, 9), C (0, 8, 2) and D (8, 2, 12) are coplanar. (view)
Thu 9 Apr, 2015 09:22 am - The points (1, -2, 4), (3, 5, 7) and (4, 6, 8) are three of four vertices of parallelogram ABCD. Explain why there are three possibilities for the location of the fourth vertex, and find the three... (view)
