Use a Determinant and the Given Vertices of a Triangle $\frac { 6 } { 7 }$

Multiple Choice

Use a determinant and the given vertices of a triangle to find the area of the triangle.? ?

A) ? $\frac { 6 } { 7 }$
B) 4
C) ? $\frac { 2 } { 17 }$
D) $\frac { 6 } { 11 }$
E) 7