Find the Volume. Use 3.14 as the pi.
2 answers:
Answer:
![\large\boxed{V=6.74\pi\ in^3\approx21.195\ in^3}](https://tex.z-dn.net/?f=%5Clarge%5Cboxed%7BV%3D6.74%5Cpi%5C%20in%5E3%5Capprox21.195%5C%20in%5E3%7D)
Step-by-step explanation:
The formula of a volume of a cylinder:
![V=\pi r^2H](https://tex.z-dn.net/?f=V%3D%5Cpi%20r%5E2H)
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](https://tex.z-dn.net/?f=V%3D%5Cpi%281.5%29%5E2%283%29%3D%5Cpi%282.25%29%283%29%3D6.75%5Cpi%5C%20in%5E3%5Capprox6.75%5Ccdot3.14%3D21.195%5C%20in%5E3)
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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