The volume of water when the tank is 60% full = 602.88 m³
V = π × r² × h,
where 'r' is the radius of the cylinder
'h' is the height of the cylinder
"It is a number or ratio that can be expressed as a fraction of 100"
For given example,
a diameter of a cylinder shaped water tank = 8 m
We know, the diameter is twice the length of the radius of a circle.
Let 'r' represents radius of a cylinder shaped water tank.
⇒ r = d/2
⇒ r = 8/2
⇒r = 4 m
Also, the height of cylinder shaped water tank is 20 m.
⇒ h = 20 m
Using the formula of the volume of a cylinder, the volume of a cylinder shaped water tank would be,
⇒ V = π × r² × h
⇒ V = 3.14 × 4² × 20
⇒ V = 1004.8 m³
This means, the volume of water when the tank is 100% full = 1004.8 m³
We need to find the volume of water when the tank is 60% full.
= 60 percent of 1004.8
= 60/100 × 1004.8
= 602.88 m³
Therefore, the volume of water when the tank is 60% full = 602.88 m³
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