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Darya [45]
2 years ago
8

Round your answer to the nearest tenth if necessary. Use 3.14 for .

Mathematics
1 answer:
harina [27]2 years ago
8 0

Answer:

\boxed{\rm \: Volume_{(Drum)} = 5024 \: in {}^{3} }

Step-by-step explanation:

Given :

  • Diameter of a drum = 20 inches
  • Deep ( height ) of the drum = 16 inches
  • π = 3.14

To Find:

The volume of the drum.

Solution:

We all know that drum is cylindrical.So we'll use the formulae of the volume of cylinder,to find its volume.

\boxed{\rm \: Volume_{(Cylinder)} = \pi{r} {}^{2} h}

Where,

  • r = radius
  • h = height (deep)
  • π = 3.14

The value of radius ain't given,but the diameter is given.We can use the formulae of radius.

\rm \: Radius = D/2

  • D = diameter

Substitute the value of diameter:

\rm \: Radius =  \cfrac{20}{2}  = 10

Hence,the radius is 10.

So we could now use the formulae of the volume of cylinder:

\rm \: Volume_{(Cylinder)} = \pi{r} {}^{2} h

  • π = 3.14
  • r =10 in
  • h = 16 in

<em>[Firstly bring the answer in terms of π then plug π = 3.14 and then simplify.]</em>

\rm \: Volume_{(Drum)} = \pi(10) {}^{2} (16)

\rm \: Volume_{(Drum)} =\pi100(16)

\rm \: Volume_{(Drum)} = 1600\pi

\rm \: Volume_{(Drum)} = 1600 \times 3.14

\boxed{\rm \: Volume_{(Cylinder)} = 5024 \: in {}^{3}}

<u>Hence, we can conclude that:</u>

The volume of this drum is 5024 in^3.

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