dudeyde060 dudeyde060

04-05-2021
Mathematics

contestada

The volume of a cylinder is 768 N in³. Find the radius of the cylinder (in inches) if the height is 3 in

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gina7780 gina7780

04-05-2021

To find the volume of the cylinder we multiply the area of the face by the height of the cylinder. Area pi*r^2
First find area
768in^3/3in = 256in^2
Pi*r^2 = 256
r^2 = 256 / pi
radius = root of 256/pi
Hence radius = 9.027033337 in
To check answer
Pi*9.027033337^2 * 3in = 768in^3

Finalized answer to 2 d.p
Radius = 9.03 in

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