Area of a rectangle having vertices A,B,C and D with position vectors −^i+12^j+4^k,^i+12^j+4^k,^i−12^j+4^k and −^i−12^j+4^k respectively is

Area of a rectangle having vertices A,B,C and D with position vectors

1.	Area of a rectangle having vertices A,B,C and D with position vectors −^i+12^j+4^k,^i+12^j+4^k,^i−12^j+4^k and −^i−12^j+4^k respectively is
Answer» Area of a rectangle having vertices $A, B, C$ and $D$ with position vectors $-^i + \frac{1}{2}^j + 4^k,^i + \frac{1}{2}^j + 4^k,^i - \frac{1}{2}^j + 4^k and -^i - \frac{1}{2}^j + 4^k$ respectively is