2012 · Q77
If the volume of a cube is 729 cubic cm, what is the length of its diagonal?
Elementary MathematicsMensuration
- A9*sqrt(2) cm
- B9*sqrt(3) cm
- C18 cm
- D18*sqrt(3) cm
Explanation
Side = 9 cm, so space diagonal = 9*sqrt(3) cm.
If the volume of a cube is 729 cubic cm, what is the length of its diagonal?
Explanation
Side = 9 cm, so space diagonal = 9*sqrt(3) cm.