A box has edges from (0,0,0) to (3,1,3) and (1,3,1) and (1,1,3). Find its volume.
IUT 19-20
The position vectors of the point A(3,1,3),B(1,3,1),C(1,1,3) are a=3i^+j^+3k^;b=i^+3j^+k^;c=i^+j^+3k^ respectively.
If a,b,c vectors denote 3 sides of a box, volume of the box, V=a⋅(b×c)
=311131313=3(9−1)−1(3−1)+3(1−3)=24−2−6=16 cubic units.