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nordsb [41]
3 years ago
8

Wayne plans to replace the ventilating fand in the oldest greenhouse and needs to know its volume. The greenhouse is shaped of a

half of a cylinder, Its diameter is 40 feet, Its length is 120 feet, using 3.14 for pi, how many cubic feet does the greenhouse enclose?​
Mathematics
1 answer:
Alina [70]3 years ago
8 0

Answer:

628.

Step-by-step explanation:

We need to calculate the radius of the cylinder :

   40/2 = 20 feet

We then will calculate the volume of the whole cylinder:

  V = \pi * r^{2} * h = 3.14 * 20^{2}  * 120 = 1256 cubic feet.

However, Wayne greenhouse is just a half of a cylinder, so it's volume are:

  1256 / 2 = 628 cubic feet.

I'm vietanh and have a good day!

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