Answer:
4 units²
Explanation:
Calculate some vectors from the point (2,3).
Vector A = <1, 5>
Vector B = <-2, -2>
The area of the triangle is 1/2 * (the magnitude of the cross product of the vectors)
A × B = -2 + 10 = 8
the magnitude of 8 is 8.
Therefore 1/2 * 8 = 4