Question 1172558
A horizontal cylindrical tank has an inside diameter of 5 ft. and an inside length of 18 ft. 
Oil level was at first 45 inches <u>below the top of the tank</u>.
What is the volume of oil in the tank in cu.m.
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Hi 
60" - 45" = 15" = 1.25ft  and r = 2.5ft and L = 18ft
Using the following online calculator 
https://everydaycalculation.com/volume-calculator/horizontal-cylinder
V = {{{highlight_green (69.0958 )}}}ft^3
Wish You the Best in your Studies.