Israel Science and Technology Directory

Formula for areas of geometrical figures

pi (π)=3.1415926535 ...

Surface area formula for 3D shapes
ShapeFormula
Cube (surface)6 × side2
Sphere (surface)4 × pi × radius2
Cylinder (surface of side)perimeter of circle × height
2 × pi × radius × height
Cylinder (whole surface)Areas of top and bottom circles + Area of the side
2(pi × radius2) + 2 × pi × radius × height
Cone (surface)pi × radius × side
Torus (surface)pi2 × (radius22 - radius12)

Source: Spiegel, Murray R. Mathematical Handbook of Formulas and Tables.
Schaum's Outline series in Mathematics. McGraw-Hill Book Co., 1968.