Let's plot each of the given coordinates to be able to determine the type of triangles that is being formed.
Triangle 1: A(2, 4), B(4, 5), C(3, 6)
ANSWER: Acute Isosceles
Triangle 2: A(3, 5), B(3, 4), C(5, 4)
ANSWER: Right Scalene
Triangle 3: A(3, 5), B(5, 6), C(3, 0)
ANSWER: Obtuse Scalene