graciewyatt471
12.04.2020 •
Mathematics
A cylindrical water tank has a diameter of 20 feet and a height of 15 feet. How much water is needed to fill the tank?
Recall the formula V = pi r squared h.
300Pi cubic feet
1,500Pi cubic feet
2,250Pi cubic feet
6,000Pi cubic feet
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Ответ:
1500 cubic feet water is needed to fill the tank. Option B.
Step-by-step explanation:
Given,
The diameter of the cylindrical water tank is 20 ft.
So, the radius (r) = 10 ft
Height (h) = 15 ft
To find the water to be filled in the tank we need to find out the volume.
Formula
volume of cylinder (V) = πr²h
Now,
Putting the values of r and h in the given formula we get,
V = π×10²×15 = 1500π cubic feet
Hence,
1500 cubic feet water is needed to fill the tank.
Ответ:
do 21x15x7 which is 2,205
Step-by-step explanation: