rectangle and octahedron
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Surface Area: 2πr2 + 2πrh Volume: πr2h
to obtain the ratio of surface area to volume, divide the surface area by the volume.
It has no volume because it's a 2D shape but its surface area is:- length*perpendicular height
Make the height the subject of the fornula for the volume or surface area of the cylinder
By dividing its cross-section area into its volume