how can we measure the volume of half fill diesel cylindrical tank in horizontal position

Question

gunsodo · Answer

$$\frac{1}{2}\pi{r^2}h$$

anonymous · Answer

the tank is cylindrical half fill and in horizontal placed the picture is attached

gunsodo · Answer

From that picture, the formula will be $$\frac{1}{2}\pi{r^2}L$$

anonymous · Answer

I have found this formula but cant find my correct answer

anonymous · Answer

its not half filled it may be fill 33% or what ever we may just know the height

gunsodo · Answer

I think that the question says that half fill, so it's meaning half.

anonymous · Answer

I am sending my numerical data to you 
from the figure we have L = 2300mm, Diamter = 1650mm, h= 665mm

gunsodo · Answer

Yes, I agree with you. I've to use your formula. Haha

anonymous · Answer

okz thx for cooperate