2010 · Q67
A figure is formed by revolving a rectangular sheet of dimensions 7 cm x 4 cm about its length. What is the volume of the figure thus formed ?
Elementary MathematicsMensuration
- A352 cm3
- B296 cm3
- C176 cm3
- D616 cm3
Explanation
Cylinder r=4,h=7: V=112π=352 cm³.