xxkellyjelly
xxkellyjelly xxkellyjelly
  • 15-05-2018
  • Mathematics
contestada

A cylinder has a radius of 5.0 cm and a volume of 1334.5 cube centimetres. What is the height of the cylinder? Use balance method

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emilynguyen4321
emilynguyen4321 emilynguyen4321
  • 15-05-2018
1334.5 = 3.14 * 5squared * h
1334.5 = 3.14 * 25 * h
1334.5 = 78.5 * h
1256 = h
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Pitymys Pitymys
  • 29-08-2018

A cylinder with radius [tex] r [/tex] and height [tex] h [/tex] has volume

[tex] V=\pi r^2 h [/tex].

It is given that the volume is [tex] V=1334.5\;cm^3 [/tex] and the radius is [tex] r=5\;cm [/tex]. Substituting numerical values,

[tex] V=1334.5=\pi (5)^2 h\\
h=\frac{1334.5}{25 \pi}\\
h=16.99 [/tex]

The height of the cylinder is [tex] 16.99\;cm [/tex].


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