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son4ous [18]
4 years ago
11

Find the Volume. Use 3.14 as the pi.

Mathematics
2 answers:
Tanzania [10]4 years ago
8 0

Answer:

\large\boxed{V=6.74\pi\ in^3\approx21.195\ in^3}

Step-by-step explanation:

The formula of a volume of a cylinder:

V=\pi r^2H

r - radius

H - height

We have

a diameter = 3 in → r = (3 in) : 2 = 1.5 in

H = 3 in

Substitute:

V=\pi(1.5)^2(3)=\pi(2.25)(3)=6.75\pi\ in^3\approx6.75\cdot3.14=21.195\ in^3

artcher [175]4 years ago
4 0

Answer:

V = 21.195 in ^3

Step-by-step explanation:

The volume of a cylinder is

V = pi * r^2 h

We know the diameter not the radius

d = 2r

3 = 2r

Divide by 2

3/2 =r

We know pi = 3.14 and h =3

V = 3.14 * (3/2) ^2 *3

V = 3.14 * 9/4 *4

V = 21.195 in ^3

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