19
=
23
The radius of a cylindrical construction pipe is 2 ft, and its
length is 24 ft.
Answer the parts below. Make sure that you use the correct
units in your answers. If necessary, refer to the
list of geometry formulas.
(a) Find the exact volume of the pipe. Write your answer in terms of .
Exact volume:
24 ft
2 ft
(b) Using the ALEKS calculator, approximate the volume of the pipe.
To do the approximation, use your answer to part (a) and the a button on the calculator. Round
your answer to the nearest hundredth.
Approximate volume: