Let A 3 1 3 B 1 5 1 C 2 3 3 and D 6 7 1 Find the area of

Let A = (-3, 1, -3), B = (1, 5, 1), C = (2, 3, -3), and D = (6, 7, 1). Find the area of the parallelogram determined by these four points, the area of the triangle ABC, and the area of the triangle ABD.
Area of parallelogram ABCD =
Area of triangle ABC =
Area of triangle ABD =