If a pencil's length and diameter are both multiplied by 10,then its volume is multiplied by
A)10.
B)100.
C)1000.
D)10,000.
E)none of these

Question

Quizplus · Accepted Answer

The volume of a cylinder (pencil) is calculated using the formula V = πr²h. If both the length (h) and diameter (which affects the radius, r) are multiplied by 10, the new volume becomes π(10r)²(10h) = 1000πr²h, which is 1000 times the original volume.

If a Pencil's Length and Diameter Are Both Multiplied by 10,then