Question

Consider points A,B,C and D with position vectors $7\vec{i}-4\vec{j}+7\vec{k}, \vec{i}-6\vec{j}+10\vec{k}, -\vec{i}-3\vec{j}+4\vec{k}$ and $5\vec{i}-\vec{j}+5\vec{k}$ respectively, then ABCD is a

• A. square
• B. rhombus
• C. rectangle
• D. parallelogram

Answer 1

Answer: (B)

rhombus

Answer 2

The correct option is (B): rhombus