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Vlad1618 [11]
3 years ago
9

Find the volume of a cylinder with diameter 8 inches and height 9 1/2 inches

Mathematics
2 answers:
postnew [5]3 years ago
7 0

Answer:

V=477.5in^3

Step-by-step explanation:

The volume of a cylinder can be calculated using the formula;

V=\pi r^2h

where the radius is half of the diameter of the circle.

r=\frac{8}{2} =4in.

The height of the cylinder is

h=9\frac{1}{2}=\frac{19}{2}in.

We substitute the values into the formula to obtain;

V=\pi\times 4^2\times \frac{19}{2}

V=477.5in^3

correct to the nearest tenth

marta [7]3 years ago
4 0

Answer:

V=152\pi in^{2} in terms or pi

V=477.52in^{2} simplified

Step-by-step explanation:

To solve this, we are using the Cylinder's volume formula:

V=\pi r^{2} h

where

V is the volume of the cylinder

r is the radius of the cylinder

Remember that radius is half the diameter, so we can divide the diameter of our cylinder by 2 to find its radius: r=\frac{d}{2} =\frac{8in}{2} =4in. Now, 9 1/2 inches is 9 and a half inches, so h=9.5in.

Replacing values:

V=\pi (4in)^{2} (9.5in)

V=\pi (16in^{2})(9.5in)

V=152\pi in^{2}

V=477.52in^{2}

We can conclude that the volume of our cylinder is V=152\pi in^{2} in terms of pi, or V=477.52in^{2} simplified.

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