Question

Angle between two diagonals of a cube is-

• A. cos–1$\left( \frac { 1 } { 2 } \right)$
• B. cos–1$\left( \frac { 2 } { 6 } \right)$
• C. cos–1$\sqrt { \frac { 4 } { 6 } }$
• D. Not defined

Answer 1

Answer: (B)

cos–1$\left( \frac { 2 } { 6 } \right)$

Answer 2

Angle between two diagonals of a cube = cos–1 $\left( \frac { 1 } { 3 } \right)$