If the position vectors of $\mathrm{A}, \mathrm{B}, \mathrm{C}, \mathrm{D}$ are $\bar{i}+2 \bar{j}+2 \bar{k}…
If the position vectors of $\mathrm{A}, \mathrm{B}, \mathrm{C}, \mathrm{D}$ are $\bar{i}+2 \bar{j}+2 \bar{k}, 2 \bar{i}-\bar{j}, \bar{i}+\bar{j}+3 \bar{k}$ and $4 \bar{j}+5 \bar{k}$ respectively, then the quadrilateral $A B C D$ is a