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A farmer has a water tank for cows in the shape of a cylinder with radius of 7 ft and a

height of 3 ft. The tank comes equipped with a sensor to alert the farmer to fill it up

when the water falls to 20% capacity. What is the volume of the tank be when the

sensor turns on?

Respuesta :

otfbrezzy92

Answer:

it would be 8ft 6ft and 50%

Step-by-step explanation:

The volume of the tank be when the sensor turns on is 92.316 ft³

Calculation:

The volume of a cylinder is

= πr²h

= 3.14 × 7² × 3

= 3.14 × 49 × 3

= 461.58 ft³

Now the volume of the tank should be

= 20% of Volume of a cylinder

= 0.20 ( 461.58 ft³)

= 92.316 ft³

Learn more about the volume here: https://brainly.com/question/17481620

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