soccerhannah280 soccerhannah280
  • 10-06-2020
  • Mathematics
contestada

A sphere and a cylinder have the same radius and height.the volume of the cylinderis 48cm3

Respuesta :

Manetho
Manetho Manetho
  • 14-06-2020

Answer:

32 cm^3.

Step-by-step explanation:

Formulas for calculating:

sphere's volume - ;[tex]V_{sphere}=\frac{4\pi r^3}{3}[/tex]

cylinder's volume -  .[tex]V_{cylinder}=\pi r^2 h[/tex]

Note that h=2r (height of the sphere consists of two radius).

Then  [tex]V_{cylinder}= \pi r^2 h=\pi r^2 2r= 2\pi r^3[/tex]

Since  [tex]V_{sphere}= \frac{4\pi r^3}{3}[/tex]

on calculating we get

[tex]V_{cylinder}= \frac{3V_{sphere}}{2}\\ \Rightarrow V_{sphere}=\frac{2V_{cylinder}}{3} =\frac{2\times48}{3} =32 cm^3[/tex]

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