Asked by Emory

CAN SOME ONE JUST HELP ME HOW TO START IT OF PLEASE..

The foundation for a cylindrical water tank is a cylinder 27 ft in diameter and 3 ft high. How many cubic ft of concrete are needed to build the foundation?
Answered by Ms. Sue
The volume of a cylinder is found by using this formula:

V = pi * r^2 * h

Can you take it from there?
Answered by Emory
Ok so can you please check if I did it correct

v=pi*r^2*h
v=pi*27^2*3=2187+3.14=6867.18 ft^3 and if I round it of to the nearest tenth it will be 6867.3 ft^3
Answered by MathMate
Engineers usually use diameter, which is a measurable quantity physically.

"27 ft in diameter" means radius = 27/2=13.5 ft.

Please try again with r=13.5 ft.
Answered by Emory
Well you see in my math work it ask me to use 3.14 for pie. and the answer that I got was one my choices so I'm assuming that I did it correct
Answered by MathMate
Is 1716.8 one of the choices too?
Answered by Emory
YES THERE IS SO HOW DID YOU WORK OUT YOUR PROBLEM HOW DID YOU CAME UP WITH THAT ANSWER?
There are no AI answers yet. The ability to request AI answers is coming soon!