Q is the point of intersection of the diagonals of one face of a cube whose edges have length 2 units. The length of QR is
Answer Choices
A. 2
B. \sqrt8
C. \sqrt5
D. \sqrt{12}
E. \sqrt6
Q is the point of intersection of the diagonals of one face of a cube whose edges have length 2 units. The length of QR is
Answer Choices
A. 2
B. \sqrt8
C. \sqrt5
D. \sqrt{12}
E. \sqrt6