Question

What is the volume of a cylindrical ring if we know the diameter of the revolving circle is 4ft and the length of the center line is 65ft
A- 816.82ft^3
B- 488.20ft^3
C- 567.94ft^3
D- 624.33ft^3

Answer 1

Answer:

The answer is the option A

$816.82\ ft^{3}$

Step-by-step explanation:

we know that

The volume of a cylinder is equal to

$V=\pi r^{2} h$

where

r is the radius of the cylinder

h is the height of the cylinder

In this problem we have

$r=4/2=2\ ft, h=65\ ft$

substitute the values

$V=\pi(2)^{2}(65)=816.81\ ft^{3}$