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Vanyuwa [196]
4 years ago
15

find the value of solid cylinder figure not including cut out: cylinder is 9.7 ft in height, 7 feet in base length, with 4 ft ho

le cut out.
Mathematics
1 answer:
Igoryamba4 years ago
3 0

Answer:

251.28 cubic feet

Step-by-step explanation:

The height of the cylinder is 9.7 ft.

The base length is 7 feet. So, the radius(R) = \frac{7}{2} = 3.5 feet

The length of 4 feet cylinder cut out. So, the radius of the cut cylinder (r) = \frac{4}{2} = 2 feet

We have to find the volume of solid cylinder figure without cutting part.

= Volume of the whole cylinder - Volume of the hole cut

We know that volume of a cylinder is \pi *r^2*h

Using this formula,

= \pi *R^2*h - \pi *r^2*h

= \pi h [R^2 - r^2]

Here π = 3.14, R = 3.5, r = 2 and h = 9.7

Plug in these values in the above, we get

= 3.14*9.7 [3.5^2 - 2^2]\\= 30.458[12.25 - 4]\\= 30.458[8.25]\\= 251.2785 ft^3

When round of to the nearest hundredths place, we get

So, the volume of solid cylinder figure not including cut out= 251.28 cubic feet

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