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The volume of a cylinder is 32.25 cubic inches. If a cone has the same height and radius as the cylinder what is its volume?

Respuesta :

jbmow
Cylinder volume is Pi*r^2*h
Cone is 1/3 the volume of a Cylinder.
32.25/3 = 10.75

Answer:

10.75 cubic inches

Step-by-step explanation:

Hello, I can help you with this

we need to remember the formula  for the volume of a cylinder

Volume of a cilynder

V=[tex]area*heigh\\\pi *radius^{2}*height \\[/tex]

now the volume of a cone is given by:

[tex]\frac{1}{3}*area*heigh\\\frac{1}{3} * \pi *radius^{2}*height \\\\[/tex]

if the cone and the cylinder have the same radius and height

Volume of the cylinder= 32.25 cubic inches=[tex]\pi r^{2}*h\\[/tex]

now, we know

[tex]32.25\ cubic\ inches =\pi r^{2}*h\\\\[/tex]

replace this value into the volume of the cone

volume of the cone=

[tex]V=\frac{1}{3}*\pi r^{2}*h \\V=\frac{1}{3} *32.25\\V=10.75[/tex]

so, the volume of the cone is 10.75 cubic inches

Have a nice day