Algebra...

[Big Daddy]

Pie R round Cake R square

[iamntxhunter]

I do utility calculations all the time for surfaces and areas along with volumes and I dont understand the question the way the formula is written.

[visdata]

could be for the area of a cylinder??

[Eagles1181]

Cylinders being a 3D object don't have area, they have volume or surface area. This equation is for the surface area of a cylinder.

Eagle

[bowstring]

When did they start adding letters??

[October madman]

Cylinders being a 3D object don't have area, they have volume or surface area. This equation is for the surface area of a cylinder.

Eagle

I agree. If it were for the volume of a cylinder it would be
V= 3.14(radius*radius)*height

[Assassin]

h=(S/6.28r) - r