Respuesta :

Step-by-step explanation:

AB=OB-OA

AB=[4,-2]-[-4,6]

AB=[8,-8],|AB|=8units

BC=OC-OB

BC=[-6,-4]-[4,-2]

BC=[-10,-2],|BC|=√104

AC=OC-OA

AC=[-6,-4]-[-4,6]

AC=[-2,-10],|AC|=√104

d. Based on the lengths of the sides,the triangle is isosceles