Practicing Success
The length, breadth and height of a cuboid are 15 cm, 12 cm and 11 cm respectively. The length is decreased by $6\frac{2}{3}\%$, the breadth increased by $8\frac{1}{3}\%$, whereas the height is kept unchanged. What is the change in the total area of the four side faces (considering the rectangle contained by the length and breadth as the base) of the cuboid? |
Decrease by 22 $cm^2$ Increase by 22 $cm^2$ No change Increase by 33 $cm^2$ |
No change |