Question

Triangle abc has vertices at A(-6, 3) , B(3, 5) and C(1, -4). Show that triangle abc is isosceles and find the area of this triangle.

Answer 1

Step-by-step explanation:

1/2[-6(5+4)+3(-4+3)+1(3+5)] =0

1/2[-6(9)+3(-1)+1(8)]=0

1/2[-54-3+8] =0

1/2[-57+8] =0

1/2[ -49]=0

-49