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) $\sqrt { 3 }$

Question

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) $\sqrt { 3 }$

Quizplus · Accepted Answer

The Answer of 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) $\sqrt { 3 }$

Find the Area of the Triangle Whose Vertices Are A(1,-1 302\frac { \sqrt { 30 } } { 2 }230​​

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