By definition, the volume of a quarter of a sphere is given by:

Where,
r: sphere radius
Substituting values we have:

Making the corresponding calculation we have:
Answer:
The volume of the quarter-sphere shaped tank is:
Answer:
c
Step-by-step explanation:
The volume (V) of a square based pyramid is calculated as
V =
Ah ( A is the area of the base and h is the height )
Here V = 1350, thus
× 15²h = 1350 ( multiply both sides by 3 to clear the fraction )
225h = 4050 ( divide both sides by 225 )
h = 18 ft → c
Answer:
look up something called desmos and type in the equation
Step-by-step explanation:
Answer:

I hope this is good enough: