Find the Area of the Triangle Whose Vertices Are A(1,-1 $\frac { \sqrt { 30 } } { 2 }$

Multiple Choice

Find the area of the triangle whose vertices are A(1,-1, 2) , B(4, 0, 1) , and C(2,-1, 2) .

A) $\frac { \sqrt { 30 } } { 2 }$
B) $\frac { \sqrt { 3 } } { 2 }$
C) $\frac { \sqrt { 2 } } { 2 }$
D) $| \sqrt { 2 } |$
E) $\frac { 4 } { 3 }$
F) $\sqrt { 30 }$
G) 3
H) $\sqrt { 3 }$