Question 8
If the height of a cube is increased by 3cm, it will become a cuboid (rectangular box) and the total surface area will be increased by 72cm². What is the volume of the cube?
A. 27cm³
B. 64cm³
C. 125cm³
D. 216cm³
E. 343cm³
**Editorial note for this self-study exercise:** Enter the volume in cubic centimeters as a number, rather than an option letter. Only the height changes; the base remains the original square.
A. 27cm³
B. 64cm³
C. 125cm³
D. 216cm³
E. 343cm³
**Editorial note for this self-study exercise:** Enter the volume in cubic centimeters as a number, rather than an option letter. Only the height changes; the base remains the original square.