Question 980192
Hi there,
I take it that your question is:
A cylindrical water tank has a 
diameter of 4m and a height of 5m. 
How many litres of water does it 
hold when full?? 
Volume of a cylinder: πr^2h
Volume = π x 2^2 x 5
Volume = 62.83 m^3
62.83m^3 = 62830 Litres
Hope this helps:-)