Mathematics for IGCSE & O level - Similarity (Section 1 - No. 49)
What happens to the volume of a cube if the sides are tripled in length?
The volume is tripled.
The volume is multiplied by 6.
The volume is multiplied by 9.
The volume is multiplied by 27.
Explication
If the sides are tripled, the volume increases by 3³ or 27 times.