Evaluate
WOLFRAM

DEMONSTRATIONS
PROJECT
Tetrahedron Volume
r
1
0
r
2
0
r
3
0
g
1
1
g
2
1
g
3
0
b
1
0
b
2
1
b
3
1
y
1
1
y
2
0
y
3
1
opacity
0
.
5
V
=
1
6
0
1
0
1
0
1
1
0
0
0
1
1
1
1
1
1
=
1
3
The volume of a tetrahedron is equal to the determinant formed by writing the coordinates of the vertices as columns and then appending a row of ones along the bottom.