Triangle area Find a 2 X 2 determinant formula for the
Chapter 11, Problem 49E(choose chapter or problem)
Triangle area Find a 2 X 2 determinant formula for the area of the triangle in the xy-plane with vertices at (0,0),(a1,a2) and (b1, b2) . Explain your work.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer